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• Windows Server 2008 R2 RAS VPN: access server on internal interface ip

  - by Mathias

  short question: I'm usually a linux admin but need to setup a Win2k8 R2 server for a student project. The server is running as VM on a root server and has a public internet IP assigned. Additionally I need a VPN server to access some services running on the server. I managed to set up a working VPN gateway via the Routing and RAS service which assigns clients an IP in the private subnet 192.168.88.0/24 with the Interface "Internal" listening on 192.168.88.1. Additionally I set up the external interface as NAT interface. So I can connect to the VPN server, get an IP assigned and the server additionally does NAT and I can access the internet over the VPN connection. The only thing I additionally need, is that I can access the server itself over that internal IP (e.g. client 192.168.88.2, server 192.168.88.1) as I want to access some services which I don't like to expose to the internet and restrict them to connected VPN clients. Does anybody have a hint, which configuration I'm missing here to be able to access the server over the VPN connection? EDIT: VPN clients get assigned the IP from the private subnet with subnetmask 255.255.255.255, I guess that might be the reason I can't access the server on the private IP address although it's in the same network range. Any ideas how to change this? I defined a static address pool in the Routing and RAS service, but I can't change the netmask there. EDIT2: I can't access the server from the client, but I can fully access the client from the server (ping, HTTP). I guess it has to do with firewall configuration. Thanks in advance, Mathias

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• SharePoint Business Connectivity Services (BCS) Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON'

  - by g18c

  I am running SharePoint 2010 with SQL 2012, I am trying to get Business Connectivity Services (BCS) running but I am facing a double-hope authentication issue. Everytime I try to connect to the external BCS list created in SharePoint designer, I get the error Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON'. In the event viewer on the SQL server I see a login failure for an anonymous user from the SP server IP address. Background information below: I have enabled Kerberos under SharePoint Central admin. I have the following AD domain accounts: SP_Farm - main website pool SP_Services - for SharePoint services (including BCS) SQL_Engine - SQL database engine I then created the following with SetSPN: SetSPN -S http/intranet mydomain\SP_Farm SetSPN -S http/intranet.mydomain.local mydomain\SP_Farm SetSPN -S SPSvc/SPS mydomain\SP_Farm SetSPN -S MSSQLSvc/SQL1 mydomain\SQL_DatabaseEngine SetSPN -S MSSQLSvc/SQL1.mydomain.local mydomain\SQL_DatabaseEngine SetSPN -S MSSQLSvc/SQL1:1433 mydomain\SQL_DatabaseEngine SetSPN -S MSSQLSvc/SQL1.mydomain.local:1433 mydomain\SQL_DatabaseEngine I then delegated the AD accounts for any authentication protocol to the following: SP_Farm - SP_Farm (http service type, intranet) SP_Farm - SQL_DatabaseEngine (MSSQLSvc, sql1) SP_Service - SP_Service (SPSvc) SP_Service - SQL_DatabaseEngine (MSSQLSvc, sql1) I have also checked the WFE is being logged on to with Kerberos, with the WFE server event log showing event ID 4624 with Kerberos authentication, this is OK. The SQL is also showing connections authenticated as Kerberos from the WFE with the following query: Select s.session_id, s.login_name, s.host_name, c.auth_scheme from sys.dm_exec_connections c inner join sys.dm_exec_sessions s on c.session_id = s.session_id Despite the above, credentials are not passed from the client through the SharePoint server to the SQL server, only the anonymous account is used. I get the following error in the WFE server for 'BusinessData' ID 8080: Could not open connection using 'data source=sql1.mydomain.local;initial catalog=MSCRM;integrated security=SSPI;pooling=true;persist security info=false' in App Domain '/LM/W3SVC/1848937658/ROOT-1-129922939694071446'. The full exception text is: Login failed for user 'NT AUTHORITY\ANONYMOUS LOGON'. If I set a username and password with the Secure Store Service and set the external list to use the impersonated credentials, the list works. Any ideas what I have missed and what can be tried next?

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• Windows Server 2008 R2 RAS VPN: access server on internal interface ip

  - by Mathias

  Hey, short question: I'm usually a linux admin but need to setup a Win2k8 R2 server for a student project. The server is running as VM on a root server and has a public internet IP assigned. Additionally I need a VPN server to access some services running on the server. I managed to set up a working VPN gateway via the Routing and RAS service which assigns clients an IP in the private subnet 192.168.88.0/24 with the Interface "Internal" listening on 192.168.88.1. Additionally I set up the external interface as NAT interface. So I can connect to the VPN server, get an IP assigned and the server additionally does NAT and I can access the internet over the VPN connection. The only thing I additionally need, is that I can access the server itself over that internal IP (e.g. client 192.168.88.2, server 192.168.88.1) as I want to access some services which I don't like to expose to the internet and restrict them to connected VPN clients. Does anybody have a hint, which configuration I'm missing here to be able to access the server over the VPN connection? EDIT: VPN clients get assigned the IP from the private subnet with subnetmask 255.255.255.255, I guess that might be the reason I can't access the server on the private IP address although it's in the same network range. Any ideas how to change this? I defined a static address pool in the Routing and RAS service, but I can't change the netmask there. EDIT2: I can't access the server from the client, but I can fully access the client from the server (ping, HTTP). I guess it has to do with firewall configuration. Thanks in advance, Mathias

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• 2nd instance of mysql closes/doesnt start no warnings/errors?

  - by acidzombie24

  I have an external HD and i'd like to run a 2nd mysql instance on it. I used the windows installer to install/configure mysqld as a service on windows7. I took the my.ini from C:\Program Files\MySQL\MySQL Server 5.5\my.ini Then edited the port (client and mysqld), datadir and innodb_data_home_dir. After running this command "C:\Program Files\MySQL\MySQL Server 5.5\bin\mysqld" --defaults-file="f:/dev/my.ini" I found an error which was all about the innodb_data_home_dir directory not existing. After that I ran the command again. Mysqld simply starts up for a second then immediately closes. I see no message in my command prompt. I know this command line args are correct as i see the mysqld service using the same one except a different my.ini path. Also it did tell me about the directory not existing so i know it is reading the new ini file. How do i figure out why this 2nd instance of mysqld is closing? How do i get 2 instance running? I'm using v 5.5

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• Unable To Install SQL Server 2008 On Windows 7 & Windows XP

  - by mickburkejnr

  Hi Guys, you are my final hope of salvation! For the last five hours I've been trying to install SQL Server 2008, first on Windows 7 and then Windows XP. Both have had the same issue. Even before the installation starts, an error message appears saying: Microsoft .NET Framework 3.5 SP1 installation has failed. SQL Server 2008 Setup requires .NET Framework 3.5 SP1 to be installed. I have installed everything in the hope of getting past this. the service pack it refers to has even been installed and I can see them in the control panel! I have installed Framework 2.0, Framework 2.0 SP1, Framework 3.5, Framework 3.5 SP1, Windows Installer 3.5 and Windows Installer 4.0. Even installed the Service Pack for SQL Server 2008.... But, nothing, works! Does anyone have an idea what I'm doing wrong or what could be wrong? I'm seriously close to the end of my tether, I've even sent Steve Ballmer an email with my frustration. I would seriously appreciate some help with this. Many thanks!

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• Why doesn't the Windows 7 volume mixer remember per-application levels for all applications?

  - by mdives

  If I have the device's master level set to 50, and then lower an application level to 25; Once I close that application and reopen it, the volume levels should persist. The master level should remain at 50 and the application's at 25. This does happen for most applications. However, for one in particular, Napster, it does not. I subscribe to Napster's streaming service. I use the Napster desktop application to connect to that service. Every time that I open the Napster app, I have to adjust the application's volume level down in the volume mixer. When I open the app again after closing it, I have to do the same thing, the volume mixer is not remembering the set level. In fact. The level is reset back to 50, the same level as the device's master level. Has anyone else experienced this, with Napster or any other application? Is there a solution or is this a known issue?

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• Cannot connect to FTP sites anymore

  - by Wayne M

  I have the FTP service running on Server 2003, and I am hosting websites through Apache. I have users configured to point to certain directories on the server. I am using FileZilla to remote FTP, but it never seems to connect to the directory. The command window says: Command: USER wayne Response: 331 Password required for wayne Command: PASS: ***** Response: 230 User wayne logged in Status: Connected Status: Retrieving directory isting... Command: PWD Response: 257 "/wayne" is current directory Command: TYPE I Response: 200 Type set to I. Command: PASV And that's it. It doesn't display any directories at all, and the pane says "Not connected to any server". Sometimes it will display the folder, but nothing happens when I click on it to expand it. It was working fine, and I have another FTP server set up the same way that does work. How can I fix this? EDIT: I've tried changing it to Active FTP, and it says: Command: LIST Command: 150 Opening BINARY mode data connection for /bin/ls Response: 425 Can't open data connection. Error: Failed to retrieve directory listing. I also noticed that I'm not able to browse the site in IIS's management console anymore, it just shows a blank screen when I click on one of the names and says There are no items to show in this view, although the name has permissions to view the folder and everything. Could it be because I have the Web Publishing service disabled (as I'm not using IIS to host websites)? That shouldn't cause anything should it?

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• Xvnc4 started from xinetd only displays empty gray X screen

  - by scott8035

  I'm attempting to setup an Ubuntu 10.10 box so that anyone can connect to port 5900 and be greeted by the gdm login manager. To do so, I added a vnc entry in /etc/services and I am starting Xvnc4 using this xinetd config file: service vnc { protocol = tcp socket_type = stream wait = no user = nobody server = /usr/bin/Xvnc server_args = -geometry 1000x700 -depth 24 -broadcast -inetd -once -securitytypes None } This kind of works...I can start multiple sessions all to port 5900, and I get an X screen. The problem is that I only get an empty, gray X screen with no applications started. I know when you run vncserver from the command line it will look to your ~/.vnc/ directory for your passwd and xstartup files, and I think what I want to do is put "gnome-session" into the xstart file. However, which xstartup file? The running user is "nobody" who obviously doesn't have a ~/.vnc/ directory. I tried a /root/.vnc/xstartup file and a ~scott/.vnc/xstartup file and it doesn't look like they were even read. I changed the xinetd vnc service so that it would "strace" Xvnc4. I looked thru all the "open" lines and didn't get a clue as to what file it was trying to read for xstart. Can anyone help? I just want a terminal server where the user is presented with a gdm login screen.

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• Widespread misinterpretation of DNS rules in resolving wildcards

  - by Dominic Sayers

  [EDITED to add: This problem has gone away on its own. I believe Cloudflare's name resolution may have been to blame. See my own answer below] Here is a snippet of my zone file *.example.com. 300 IN CNAME proxy.herokuapp.com. foo.example.com. 300 IN A 111.111.111.111 If I dig @8.8.8.8 foo.example.com I get the answer I expect: ;; ANSWER SECTION: foo.example.com. 30 IN A 111.111.111.111 The same is true of all other public DNS servers I've tried. However, when I try to set up a check with Pingdom to a URL on foo.example.com it instead sends the traffic to my Heroku app referenced by the *.example.com RR. The same is true of checks set up on New Relic, Errplane and traffic generated by the Heroku app itself. So on the one side, all public DNS servers interpret the zone file one way. Yet four service providers all interpret it a different way, one that differs to the standard suggested by RFC 4592. My question is: are these reputable, mature service providers all wrong? Or is it little me?

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• Sonicwall TZ210 - Set up public wifi on separate subnet & interface

  - by thomasjbarrett

  I want to set up a public wifi by connecting another router to the X6 interface, and put it on a separate subnet (192.168.10.0/24) & in the DMZ Zone to keep it away from the regular LAN. I believe I have the network settings correct: the router has acquired the IP and DNS information from the TZ210, and the TZ210 shows it as an active DHCP lease. X6 is in the DMZ. I now have a routing/NAT/firewall problem, since I can't get any traffic to travel from the subnet to the internet. I can't get to any external websites and can't ping the TZ210 from the subnet. X0 is the regular LAN, and X1 is the WAN. Looking for any tips or tutorials on this. Here's my current relevant rules: Routing Source: X6 Subnet Destination: Any Service: Any Gateway: Default Gateway Interface: X6 Source: Any Destination: X6 Subnet Service: Any Gateway: 0.0.0.0 Interface: X6 NAT Policies Source Original: Any Translated: WAN IP Destination Original: Any Translated: Original Inbound: X6 Outbound: X1 Source Original: Any Translated: U0 IP Destination Original: Any Translated: Original Inbound: X6 Outbound: U0 Firewall DMZ LAN : Deny All DMZ WAN : Allow All LAN DMZ : Allow All WAN DMZ : Allow All

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• Haproxy not properly passing on X-Forwarded-For header

  - by JesseP

  I have backend web servers that receive requests by way of haproxy-nginx-fastcgi. The web app used to see multiple ip's coming through in the X-Forwarded-For header, chained together with commas (most original IP on the left). At some point in the recent past (just noticed, so not sure what caused it) something changed, and now I'm only seeing a single IP passed in the header to my web application. I've tried with haproxy 1.4.21 and 1.4.22 (recent upgrade) with the same behavior. Haproxy has the forwardfor header set: option forwardfor Nginx fastcgi_params config defines this header to be passed to the app: fastcgi_param HTTP_X_FORWARDED_FOR $http_x_forwarded_for; Anyone have any ideas on what might be going wrong here? EDIT: I just started logging the $http_x_forwarded_for variable in nginx logs, and nginx is only ever seeing a single IP, which shouldn't ever be the case, as we should always see our haproxy ip added in there, right? So, issue must either be in nginx handling of the variable coming in, or haproxy not building it properly. I'll keep digging... EDIT #2: I enabled request and response header logging in HAProxy, and it is not spitting anything out for X-Forwarded-For, which seems very odd: Oct 10 10:49:01 newark-lb1 haproxy[19989]: 66.87.95.74:47497 [10/Oct/2012:10:49:01.467] http service/newark2 0/0/0/16/40 301 574 - - ---- 4/4/3/0/0 0/0 {} {} "GET /2zi HTTP/1.1" O Here are the options i set for this in my frontend: mode http option httplog capture request header X-Forwarded-For len 25 capture response header X-Forwarded-For len 25 option httpclose option forwardfor EDIT #3: It really seems like haproxy is munging the header and just passing on a single one to the backend. This is fairly impacting to our production service, so if anyone has an ideas it would be greatly appreciated. I'm stumped... :(

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• Cannot resolve Hostname to IP, but IP to hostname works

  - by dotnetdev

  I have deployed a bunch of windows server VMs on a cloud hosting service. These machines are all joined to a domain controller on the same service, which also hosts DNS. All of the domain-joined machines have dynamic IP (along with the DC). If I try to resolve any of the hostnames remotely, it fails. For example, I am in SQL Server Reporting Services and I need to connect to a remote server. I provide the hostname of the desired target server and this fails, but then if I provide the IP, this works. How can I pass the hostname and have this resolve to IP? Is there anything I need to look for in the DNS server? It has records of the hostnames (in forward lookup I think), but reverse is empty. Isn't it the case that forward lookup resolves ip to hostname and reverse resolves hostname to ip? Also, I don't know what he subnet mask because this is not in my control, so the machines may not be in the same subnet - can this be a cause of the problem? Where is the problem? Thanks

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• How should I monitor memory usage/performance in SunOS/Solaris?

  - by exhuma

  Last week we decided to add some SunOS (uname -a = SunOS bbs-sam-belair 5.10 Generic_127128-11 i86pc i386 i86pc) machines into our running munin instance. First off, the machines are pre-configured appliances, so, I want to avoid touching the system too much without supervision of the service provider. But adding it to munin was fairly easy by writing a small socket-service (if anyone is interested, I put it up on github: https://github.com/munin-monitoring/contrib/tree/master/tools/pypmmn) Yesterday, I implemented/adapted the required plugins for our machines. And here the questions start: First, I have not found a way to determine detailed memory usage values. I get the total memory by running prtconf | grep Memory, and the free memory using vmstat. Fiddling together a munin-plugin, gives me the following graph: This is pretty much uninformative. Compare this to the default plugin for linux nodes which has a lot more detail: Most importantly, this shows me how much memory is actually used by applications. So, first question: Is it possible to get detailed memory information on SunOS with the default system tools (i.e. not using top)? Onto the next puzzle: Seeing the graphs, I noticed activity in the "Paging in/out" graphs, even though the memory graph still has unused memory: Upon further investigation, I found out that df reports that /tmp is mounted on swap. Drilling around on the web, I understood that df will display swap, but in fact, it's mounted as a tmpfs. Now I don't know if this explains the swap activity. The default munin-plugin for solaris uses kstat -p -c misc -m cpu_stat to get these values. I find it already strange that this is using the cpu_stat module. So maybe I simply misinterpret the "paging" graphs? Second question: Do the paging graphs indicate that parts of the memory are paged to disk? Or is the activity caused by file operations in /tmp?

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• Postfix does not work after setting server hostname from plesk

  - by Michael

  I have recently set my server hostname from localhost.localdomain to xx.mydomain.com from the plesk control panel. However after doing this change postfix has stopped working, I tried restarting and regenerating the config files but to no avail. I am not familiar with postfix but I believe there is a setting to be changed in main.cf. Here are the relevant errors I receive: postfix/postfix-script: starting the Postfix mail system postfix/master: daemon started -- version 2.8.4, configuration /etc/postfix postfix/cleanup: fatal: host/service localhost/12768 not found: Name or service not known postfix/pickup: warning: maildrop/E5559996219: error writing 4FA2C996217: queue file write error postfix/master: warning: process /usr/libexec/postfix/cleanup pid 15334 exit status 1 postfix/master: warning: /usr/libexec/postfix/cleanup: bad command startup -- throttling Any ideas? EDIT Setting it back to localhost.localdomain makes it work again. The only references to localhost/12768 I can find in main.cf are: smtpd_milters = inet:localhost:12768 non_smtpd_milters = inet:localhost:12768 Should something be changed here? These two lines stay the same when I change the hostname. EDIT If I comment out the two mail filter lines (the ones shown above) and restart, postfix works with the new hostname. However this is obviously not the ideal solution...

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• ISA Server dropping packets as it believes they are spoofed

  - by RB

  We have ISA Server 2004 running on Windows Server 2003 SP2. It has 2 NICs - one internal called LAN on 192.168.16.2, with a subnet of 255.255.255.0, and one external called WAN on 93.x.x.2. The default gateway is 93.x.x.1 (our modem). This machine also accepts VPN connections. We are having a problem with a scanner, which is trying to save a scan into a network share. Every time we try to scan, ISA Server logs the following Denied Connection Log type: Firewall service Status: A packet was dropped because ISA Server determined that the source IP address is spoofed. Rule: Source: Internal ( 192.168.16.54:1024) Destination: Internal ( 192.168.16.255:137) Protocol: NetBios Name Service Pinging 192.168.16.54 from the ISA Server works fine. In ISA Server, going into Configuration → Networks, there are 5 Networks : - External (inbuilt) - Internal (defined as 192.168.16.0 → 192.168.16.255) - Local Host (inbuilt) - Quarantined VPN Clients (inbuilt) - VPN Clients (inbuilt) Finally, under Network Connections → Advanced → Advanced Settings..., the connections are in the following order : - LAN - WAN - [Remote Access Connections] If we try to scan onto a workstation it works fine. Please let me know if you need any more info - many thanks. RB.

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• Changing default openVPN IP in linux server

  - by Lamboo

  The problem is that we have a public OpenVPN service. Pay €9.95 and you get an OpenVPN account at currently half a dozen of servers for a month. This means there are always and will always be some people who create a certain amount of abuse or trouble. On the long run, the external IP every OpenVPN user gets assigned is prohibited from editing Wikipedia, it might be banned by e-gold and on some popular webforums, one-click-hosters, etc. Not a pleasant experience for the 97% of our customers who use our service responsibly and legitimately to regain their privacy. So even if I could change the assigned external IP every few months; e. g. from 216.xx.xx.164 to 216.xx.xx.170, it would help us a lot to combat this abuse and to provide our paying clients with "fresh" IP addresses that aren't banned or restricted on some popular Internet sites and services, yet. Does anybody know how to change the first IP address assigned to the public interface in CentOS? So that e.g. OpenVPN in future doesn't give our OpenVPN clients the external IP 123.xx.xx.164 but rather 123.xx.xx.170?

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• LDAP Authentication fails with 500 or 401 depending on bind for Apache2

  - by Erik

  I'm setting up LDAP authentication for our Subversion repository hosted through Apache on a RHEL 5 system. I run into two different issues when I try to authenticate against Active Directory. <Location /svn/> Dav svn SvnParentPath /srv/subversion SVNListParentPath On AuthType Basic AuthName "Subversion Repository" AuthBasicProvider ldap AuthLDAPBindDN "cn=userfoo,ou=Service Accounts,ou=User Accounts,dc=my,dc=example,dc=com" AuthLDAPBindPassword "mypass" AuthLDAPUrl "ldap://my.example.com:389/ou=User Accounts,dc=my,dc=example,dc=com?sAMAccountName?sub?(objectClass=user)" NONE Require valid-user </Location> If I use the above configuration it continually prompts me with the Basic prompt and I have to eventually select Cancel, which returns a 401 (Authorization Required). If I comment out the bind parts it returns 500 (Internal Server Error), griping that authentication failed: [Mon Nov 02 12:00:00 2009] [warn] [client x.x.x.x] [10744] auth_ldap authenticate: user myuser authentication failed; URI /svn [ldap_search_ext_s() for user failed][Operations error] When I perform the bind using ldapsearch and filter for a simple attribute it returns correctly: ldapsearch -h my.example.com -p 389 -D "cn=userfoo,ou=Service Accounts,ou=User Accounts,dc=my,dc=example,dc=com" -b "ou=User Accounts,dc=my,dc=example,dc=com" -w - "&(objectClass=user)(cn=myuser)" sAMAccountName Unfortunately I have no control or insight into the AD part of the system, only the RHEL server. Does anyone know what the hang up is here?

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• Why is SMF manifest losing configuration data when exported on SmartOS?

  - by Scott Lowe

  I'm running a server process under SMF (Server Management Facility) on Joyent's Base64 1.8.1 SmartOS image. For those not aqauinted with SmartOS, it is a cloud-based distribution of IllumOS with KVM. But essentially it is like Solaris and inherits from OpenSolaris. So even if you've not used SmartOS, I'm hoping to tap into some Solaris knowledge on ServerFault. My issue is that I want an unprivileged user to be allowed to restart a service that they own. I have worked out how to do that by using RBAC and adding an authorisation to /etc/security/auth_attr and associating that authorisation with my user. I then added the following to my SMF manifest for the service: <property_group name='general' type='framework'> <!-- Allow to be restarted--> <propval name='action_authorization' type='astring' value='solaris.smf.manage.my-server-process' /> <!-- Allow to be started and stopped --> <propval name='value_authorization' type='astring' value='solaris.smf.manage.my-server-process' /> </property_group> And this works well when imported. My unprivileged user is allowed to restart, start and stop its own server process (this is for automated code deployments). However, if I export the SMF manifest, this configuration data is gone... all I see in that section is this: <property_group name='general' type='framework'> <property name='action_authorization' type='astring'/> <property name='value_authorization' type='astring'/> </property_group> Does anybody know why this is happening? Is my syntax wrong, or am I simply not using SMF incorrectly?

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• How to make working TFTP server on CentOS 6.2

  - by Dima

  I'm trying to setup TFTP server on CentOS 6.2. The /etc/xinet.d/tftp configuration file is the following: service tftp { disable = no socket_type = dgram protocol = udp wait = yes user = root server = /usr/sbin/in.tftpd server_args = -s /tftpboot -vvv per_source = 11 cps = 100 2 flags = IPv4 } The selinux and firewall are disabled. The /etc/hosts.allow and /etc/hosts.deny files are empty. When I'm trying to get a file from the TFTP server, the file transfer always failed and I see the following errors into /var/log/messages Jul 11 03:16:53 localhost xinetd[4155]: xinetd Version 2.3.14 started with libwrap loadavg labeled-networking options compiled in. Jul 11 03:16:53 localhost xinetd[4155]: Started working: 1 available service Jul 11 03:17:00 localhost xinetd[4155]: START: tftp pid=4157 from=192.168.10.3 Jul 11 03:17:00 localhost in.tftpd[4158]: RRQ from 192.168.10.3 filename 1 Jul 11 03:17:00 localhost in.tftpd[4158]: sending NAK (0, Permission denied) to 192.168.10.3 Jul 11 03:17:01 localhost in.tftpd[4159]: RRQ from 192.168.10.3 filename 1 Jul 11 03:17:01 localhost in.tftpd[4159]: sending NAK (0, Permission denied) to 192.168.10.3 Jul 11 03:17:03 localhost in.tftpd[4160]: RRQ from 192.168.10.3 filename 1 The tftpboot directory permissions are (output of the ls -l command): drw-rw-rw-. 3 root root 4096 Jul 11 03:32 tftpboot I also see that the tftpboot directory is shown (by ls -l) with green background (unlike other files/directories) (Why? As I know the green background is for sticky bit only). What I did wrong? How can I make TFTP server working?

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• Apache2.2 not responding on Windows 7 desktop

  - by Adam

  Afternoon! I'm having some trouble with Apache2.2 on Windows 7. For over a year it's been running no problem, but all of a sudden requests have just stopped responding. They don't ever time out, the browser just keeps on waiting for a response, which makes me think it's something blocking communication with Apache. Interestingly though, if I stop Apache the requests fail immediately. The Apache service is running, and using netstat I can see it listening on port 80 as configured: TCP 127.0.0.1:80 0.0.0.0:0 LISTENING If I stop the Apache service, that line disappears. I have an entry within my hosts file for each VHost I'm trying, all pointing to 127.0.0.1. Each VHost is configured to *:80. Nothing however is getting recorded in the access or error (at debug level) log files. I've verified the file paths are correct, even though they were never changed. Neither is anything getting recorded within Windows' Event Log. The problem showed up when I added a new VHost and restarted, however I hadn't been using it for a couple of days prior so I don't believe it's the config change. I have performed a syntax check to be sure, and when starting from the command prompt no errors are reported there. I do have Windows Firewall running, however I've verified the Apache rule is correct and tried turning it off to ensure that wasn't the problem. I've reinstalled Apache, in the hope it might magically fix something using the default config, but still no joy. I've also tried using a different port. I'm completely lost for ideas now. Can anybody help? Cheers Adam

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• Exchange 2010 Hub cannot deliver to Exchange 2007 Hub - "451 5.7.3 Cannot achieve Exchange Server authentication"

  - by Graeme Donaldson

  We have an existing Exchange 2007 server in Site A (exch07). I've installed an Exchange 2010 server in Site B (exch10). Both servers have the CAS, Mailbox and Hub roles. Messages sent via SMTP on exch10 which are destined for mailboxes on exch07 are queued with the "Last Error" reported in Queue Viewer as '451 4.4.0 Primary target IP address responded with: "451 5.7.3 Cannot achieve Exchange Server authentication." Attempted failover to alternate host, but that did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts.' I've found that some people have resolved this by creating new Receive Connectors which are scoped specifically to apply to connections from the remote hub/s, but I have had no luck doing this. Specifically I created new receive connectors on both servers with the following settings: Remote IP = IP/s of remote server Authentication = "Transport Layer Security (TLS)" and "Exchange Server authentication" Permission Groups = "Exchange servers" and "Legacy Exchange Servers" This made no difference, I see the same error message. What am I missing? Update: We noticed that the Application log had this error message from MSExchangeTransportService: Microsoft Exchange could not find a certificate that contains the domain name exch07.domain.local in the personal store on the local computer. Therefore, it is unable to support the STARTTLS SMTP verb for the connector exch10 with a FQDN parameter of exch07.domain.local. If the connector's FQDN is not specified, the computer's FQDN is used. Verify the connector configuration and the installed certificates to make sure that there is a certificate with a domain name for that FQDN. If this certificate exists, run Enable-ExchangeCertificate -Services SMTP to make sure that the Microsoft Exchange Transport service has access to the certificate key. It turns out that the default self-signed certificate was no longer enabled for the SMTP service for some reason. After enabling the self-signed certificate for SMTP, we no longer get the error in the event logs, but delivery is still failing with the same error message. Update 2: I put a mailbox on exch10 and attempted to deliver a message via SMTP on exch07 and I get the same error.

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• Cyrus: In practical terms, how do end users administer their shared mailboxes?

  - by Nick

  Let's say we have four customer service reps: Billy, Bob, Joe, and Tom. Tom is the department manager. There's a shared Customer Service mailbox on the Cyrus server that they all have access to. Tom, as the manager also has administrative privileges for the shared mailbox. They decide they want to create sub-folders a certain way, and Tom creates them. They're all running Thunderbird, so Tom right-clicks the main folder and chooses "New Subfolder". Now Tom has the Subfolders he needs and the other sales reps have... nothing! Because Cyrus created the Subfolders giving Tom "Full Access" permissions, and everyone else gets no access. So how does Tom give the other reps in his department access to the new folders? As far as Cyrus is concerned, Tom has permission to grant others access to his new mailboxes- But as far as I can tell, there's no option in Thunderbird for granting mailbox permissions. An IT staff member should not have to receive a support request every time someone wants to add a Subfolder to a shared mailbox. That's why we make certain users into mailbox admins in the first place! But asking (non-technical) users to SSH into an IMAP server to run cyradm seems like a bad idea too. Certainly someone has found a solution for this dilemma. Perhaps a Thunderbird extension for setting Cyrus permissions? Or something like umask that forces subfolders to have identical permissions to their parents on creation? And related, what about Sieve configuration? Is there anyway that can be done from the client machine too? Thanks, Nick

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• Starting nginx with systemctl fails, but running the command manually doesn't

  - by Ivan

  On Arch Linux, for some reason, when I try to start nginx with the command "systemctl start nginx", it fails, with this being the output of "systemctl status nginx": Loaded: loaded (/etc/systemd/system/nginx.service; enabled) Active: failed (Result: exit-code) since Wed 2013-10-30 16:22:17 EDT; 5s ago Process: 9835 ExecStop=/usr/bin/chroot --userspec=http:http /home/nginx /usr/bin/nginx -g pid /run/nginx.pid; -s quit (code=exited, status=126) Process: 3982 ExecStart=/usr/bin/chroot --userspec=http:http /home/nginx /usr/bin/nginx -g pid /run/nginx.pid; daemon on; master_process on; (code=exited, status=0/SUCCESS) Process: 10967 ExecStartPre=/usr/bin/chroot --userspec=http:http /home/nginx /usr/bin/nginx -t -q -g pid /run/nginx.pid; daemon on; master_process on; (code=exited, status=126) Main PID: 3984 (code=exited, status=0/SUCCESS) CGroup: /system.slice/nginx.service ...but when I run /usr/bin/chroot --userspec=http:http /home/nginx /usr/bin/nginx -t -q -g "pid /run/nginx.pid; daemon on; master_process on;" and then /usr/bin/chroot --userspec=http:http /home/nginx /usr/bin/nginx -g "pid /run/nginx.pid; daemon on; master_process on;" as root, all it does is return a warning, but works just fine: nginx: [warn] the "user" directive makes sense only if the master process runs with super-user privileges, ignored in /etc/nginx/nginx.conf:1 Why is it doing that?

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• Unable to understand why Alfresco doesn't start on Tomcat

  - by Infernalsirius

  Hi all, I have a problem that I've been inspecting for a while now, googling and everything but could not begin to understand. I'm really not used to java, even less tomcat. So there it is. First, the setup. Centos 5.3 on a virtualized server. Bitnami Native Alfresco stack (tomcat5.5, mysql5, java, javajdk, JDBC) Content of catalina.log. Since it's the shortest and where I found my first clue to what is going wrong: SEVERE: Error listenerStart Aug 27, 2009 5:32:58 PM org.apache.coyote.http11.Http11BaseProtocol init INFO: Initializing Coyote HTTP/1.1 on http-8080 Aug 27, 2009 5:32:58 PM org.apache.catalina.startup.Catalina load INFO: Initialization processed in 229 ms Aug 27, 2009 5:32:58 PM org.apache.catalina.core.StandardService start INFO: Starting service Catalina Aug 27, 2009 5:32:58 PM org.apache.catalina.core.StandardEngine start INFO: Starting Servlet Engine: Apache Tomcat/5.5.25 Aug 27, 2009 5:32:58 PM org.apache.catalina.core.StandardHost start INFO: XML validation disabled Aug 27, 2009 5:34:47 PM org.apache.catalina.core.StandardContext start SEVERE: Error listenerStart Aug 27, 2009 5:34:47 PM org.apache.catalina.core.StandardContext start SEVERE: Context [/alfresco] startup failed due to previous errors Aug 27, 2009 5:34:48 PM org.apache.coyote.http11.Http11BaseProtocol start INFO: Starting Coyote HTTP/1.1 on http-8080 Aug 27, 2009 5:34:48 PM org.apache.jk.common.ChannelSocket init INFO: JK: ajp13 listening on /0.0.0.0:8009 Aug 27, 2009 5:34:48 PM org.apache.jk.server.JkMain start INFO: Jk running ID=0 time=0/11 config=null Aug 27, 2009 5:34:48 PM org.apache.catalina.storeconfig.StoreLoader load INFO: Find registry server-registry.xml at classpath resource Aug 27, 2009 5:34:48 PM org.apache.catalina.startup.Catalina start INFO: Server startup in 110327 ms Aug 27, 2009 5:38:27 PM org.apache.coyote.http11.Http11BaseProtocol pause INFO: Pausing Coyote HTTP/1.1 on http-8080 Aug 27, 2009 5:38:28 PM org.apache.catalina.core.StandardService stop INFO: Stopping service Catalina Aug 27, 2009 5:38:29 PM org.apache.coyote.http11.Http11BaseProtocol destroy INFO: Stopping Coyote HTTP/1.1 on http-8080 There's the content of catalina.out, it seems to be a stack trace or application trace of the error, is that right? Catalina.out gist on github There is a 404 error telling me this: The requested resource (/alfresco/) is not available. This is it. I think.

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• TCP: Address already in use exception - possible causes for client port? NO PORT EXHAUSTION

  - by TomTom

  Hello, stupid problem. I get those from a client connecting to a server. Sadly, the setup is complicated making debugging complex - and we run out of options. The environment: *Client/Server system, both running on the same machine. The client is actually a service doing some database manipulation at specific times. * The cnonection comes from C# going through OleDb to an EasySoft JDBC driver to a custom written JDBC server that then hosts logic in C++. Yeah, compelx - but the third party supplier decided to expose the extension mechanisms for their server through a JDBC interface. Not a lot can be done here ;) The Symptom: At (ir)regular intervals we get a "Address already in use: connect" told from the JDBC driver. They seem to come from one particular service we run. Now, I did read all the stuff about port exhaustion. This is why we have a little tool running now that counts ports and their states every minute. Last time this happened, we had an astonishing 370 ports in use, with the count rising to about 900 AFTER the error. We aleady patched the registry (it is a windows machine) to allow more than the 5000 client ports standard, but even then, we are far far from that limit to start with. Which is why I am asking here. Ayneone an ide what ELSE could cause this? It is a Windows 2003 Server machine, 64 bit. The only other thing I can see that may cause it (but this functionality is supposedly disabled) is Symantec Endpoint Protection that is installed on the server - and being capable of actinc as a firewall, it could possibly intercept network traffic. I dont want to open a can of worms by pointing to Symantec prematurely (if pointing to Symantec can ever be seen as such). So, anyone an idea what else may be the cause? Thanks

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