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• Smart Array P400 battery failure

  - by RobIII

  The P400 Smart Array controller in my HP DL380G5 is indicating: Battery Status: Failed, Replace Battery 1 in the System Management Homepage. Also the IML indicates: POST Error: 1794-Drive Array - Array Accelerator Battery Charge Low I do have several replacement batteries (actually, several controllers including batteries) lying around at work but never had to actually replace one. I am wondering if the battery replacement (swap) could be done hot or if I need to take down my server to do the battery replacement. I have replaced other spare parts like fans and drives before and all those can be replaced hot. I just don't know about the battery of the P400 Smart Array controller. Any help would be appreciated. EDIT1 For those interested: straight from the horse's mouth: With thanks to Frands Hansen pointing it out here. EDIT2 In the end I did just power down, to be on the safe side and because the manual says so, and replace the battery. Couldn't be easier. Unplugged the old one of the end of the cable (not the end connected to the controller) and reconnected a spare one. The replaced battery is now in the server for about an hour and currently (still) recharging. I'm assuming all will end wel.

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• Cisco SG 300-28P PoE switch appears to have damaged my domain server's network IF

  - by cdonner

  I just replaced the old HP ProCurve switch with a new Cisco SG 300-28P managed switch. It has PoE on all ports. Everything works, except for my domain server that went offline and the network interface appears to be dead. Windows says the network cable is disconnected, and no lights blink on the switch. Tried different cables and different ports on the switch. The Cisco PoE ports are supposed to be auto-sensing, i.e. not to send power to a device that cannot handle it. Is this technique not 100% reliable? The server is a SHUTTLE XS35V2 with an onboard network chip, so it is probably fried. My questions: is this plausible? who's fault is it - Shuttle or Cisco (i.e. which support line should I try first)? UPDATE: I did go back and tried another switch between the server and the Cisco switch, and indeed, the connection came back to live. When everything is powered down and I start fresh, with the server connected to the Cisco switch, the port light will blink for a while and the connection status is "No Internet connection" at first until it goes off after about 20 seconds and the connection status changes to "Network cable disconnected". On the other switch it works. Clearly not a PoE issue now. I will start looking into the Cisco's onboard diagnostic functions, but so far I have not noticed anything unusual in the log.

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• linked-server sql - access

  - by user22121

  Hi, I have a SQL server 2000 and an Access database mdb connected by Linked server on the other hand I have a program in c # that updates data in a SQL table (Users) based data base access. When running my program returns the following error message: OLE DB provider 'Microsoft.Jet.OLEDB.4.0' reported an error. Authentication failed. [OLE / DB provider returned message: Can not start the application. Missing information file of the working group or is opened exclusively by another user.] OLE DB error trace [OLE / DB Provider 'Microsoft.Jet.OLEDB.4.0' IDBInitialize:: Initialize returned 0x80040E4D: Authentication failed.] . Both the program, the sql server and database access are on a remote server. On the local server the problem was solved by running the following: "sp_addlinkedsrvlogin 'ActSC', 'false', NULL, 'admin', NULL". Try on the remote server the next, without result: "sp_addlinkedsrvlogin 'ActSC', true, null, 'user', 'pass'". On the remote server and from the "Query Analyzer" sql update statements are working correctly. Can you think of what may be the problem? Thanks!

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• Why does nmap ping scan over a VPN link return all hosts alive?

  - by ewwhite

  I'm curious as to why running an nmap -sP (ping scan) on a remote subnet linked via a Cisco site-to-site IPSec tunnel returns "host up" status for every IP in the range. [root@xt ~]# nmap -sP 192.168.108.* Starting Nmap 4.11 ( http://www.insecure.org/nmap/ ) at 2012-11-22 14:08 CST Host 192.168.108.0 appears to be up. Host 192.168.108.1 appears to be up. Host 192.168.108.2 appears to be up. Host 192.168.108.3 appears to be up. Host 192.168.108.4 appears to be up. Host 192.168.108.5 appears to be up. . . . Host 192.168.108.252 appears to be up. Host 192.168.108.253 appears to be up. Host 192.168.108.254 appears to be up. Host 192.168.108.255 appears to be up. Nmap finished: 256 IP addresses (256 hosts up) scanned in 14.830 seconds However, a ping of a known-down IP simply times out or doesn't return anything... [root@xt ~]# ping 192.168.108.201 PING 192.168.108.201 (192.168.108.201) 56(84) bytes of data. --- 192.168.108.201 ping statistics --- 144 packets transmitted, 0 received, 100% packet loss, time 143001ms Is there a more effective way to scan live devices connected in this manner?

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• Howo to get Multipath IO with Dell MD3600i into active/active setup?

  - by Disco

  I'm desperately trying to improve performance of my SAN connection. Here's what i have: [root@xnode1 dell]# multipath -ll mpath1 (36d4ae520009bd7cc0000030e4fe8230b) dm-2 DELL,MD36xxi [size=5.5T][features=3 queue_if_no_path pg_init_retries 50][hwhandler=1 rdac][rw] \_ round-robin 0 [prio=200][active] \_ 18:0:0:0 sdb 8:16 [active][ready] \_ 19:0:0:0 sdd 8:48 [active][ghost] \_ 20:0:0:0 sdf 8:80 [active][ghost] \_ 21:0:0:0 sdh 8:112 [active][ready] And multipath.conf : defaults { udev_dir /dev polling_interval 5 prio_callout none rr_min_io 100 max_fds 8192 user_friendly_names yes path_grouping_policy multibus default_features "1 fail_if_no_path" } blacklist { device { vendor "*" product "Universal Xport" } } devices { device { vendor "DELL" product "MD36xxi" path_checker rdac path_selector "round-robin 0" hardware_handler "1 rdac" failback immediate features "2 pg_init_retries 50" no_path_retry 30 rr_min_io 100 prio_callout "/sbin/mpath_prio_rdac /dev/%n" } } And sessions. [root@xnode1 dell]# iscsiadm -m session tcp: [13] 10.0.51.220:3260,1 iqn.1984-05.com.dell:powervault.md3600i.6d4ae520009bd7cc000000004fd7507c tcp: [14] 10.0.50.221:3260,2 iqn.1984-05.com.dell:powervault.md3600i.6d4ae520009bd7cc000000004fd7507c tcp: [15] 10.0.51.221:3260,2 iqn.1984-05.com.dell:powervault.md3600i.6d4ae520009bd7cc000000004fd7507c tcp: [16] 10.0.50.220:3260,1 iqn.1984-05.com.dell:powervault.md3600i.6d4ae520009bd7cc000000004fd7507c I'm getting very poor read performance : dd if=/dev/mapper/mpath1 of=/dev/null bs=1M count=1000 The SAN is configured as follows: CTRL0,PORT0 : 10.0.50.220 CTRL0,PORT1 : 10.0.50.221 CTRL1,PORT0 : 10.0.51.220 CTRL1,PORT1 : 10.0.51.221 And on the host : IF0 : 10.0.50.1 IF1 : 10.0.51.1 (Dual 10GbE Ethernet Card Intel DA2) It's connected to a 10gbE switch dedicated for SAN traffic. My questions being; why the connection is set up as 'ghost' and not 'ready' like an active/active configuration ?

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• ProFTPD / PAM issues with new centos/virtualmin install

  - by iamthewit

  I just installed CentOS 5.4 on a rackspace cloud server and installed virtualmin which all seemed to go fine. The only problem I have is that I can not access the virtual servers directories via FTP. I get the following from filezilla: Status: Connecting to 1.1.1.1:21... Status: Connection established, waiting for welcome message... Response: 220 FTP Server ready. Command: USER username Response: 331 Password required for username. Command: PASS *************** Response: 230 User username logged in. Status: Connected Status: Retrieving directory listing... Command: PWD Response: 257 "/" is current directory. Command: TYPE I Response: 200 Type set to I Command: PASV Response: 227 Entering Passive Mode (1,1,1,1,216,214) Command: LIST Error: Connection timed out Error: Failed to retrieve directory listing and I get this from my /var/secure/log file Sep 22 19:40:42 stickeeserver proftpd: pam_unix(proftpd:session): session opened for user username by (uid=0) Sep 22 19:40:42 server proftpd[14051]: 94.136.40.82 (::ffff:217.207.31.60[::ffff:217.207.31.60]) - USER nastypasty: Login successful. Sep 22 19:40:42 server proftpd[14051]: 94.136.40.82 (::ffff:217.207.31.60[::ffff:217.207.31.60]) - Preparing to chroot to directory '/home/username' Sep 22 19:40:42 server proftpd[14051]: 94.136.40.82 (::ffff:217.207.31.60[::ffff:217.207.31.60]) - mod_delay/0.5: delaying for 728 usecs Sep 22 19:40:42 server proftpd[14051]: 94.136.40.82 (::ffff:217.207.31.60[::ffff:217.207.31.60]) - error setting IPV6_V6ONLY: Protocol not available Any help would be greatly appreciated, I'm not totally new to Linux but it's not my strongest subject. I do like to know exactly why problems occur though and how exactly to fix them so the more detail the better! cheers

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• How do I keep a table up to date across 4 db's to be used in SQL Replication Filtering?

  - by Refracted Paladin

  I have a Win Form, Data Entry, application that uses 4 seperate Data Bases. This is an occasionally connected app that uses Merge Replication (SQL 2005) to stay in Sync. This is working just fine. The next hurdle I am trying to tackle is adding Filters to my Publications. Right now we are replicating 70mbs, compressed, to each of our 150 subscribers when, truthfully, they only need a tiny fraction of that. Using Filters I am able to accomplish this(see code below) but I had to make a mapping table in order to do so. This mapping table consists of 3 columns. A PrimaryID(Guid), WorkerName(varchar), and ClientID(int). The problem is I need this table present in all FOUR Databases in order to use it for the filter since, to my knowledge, views or cross-db query's are not allowed in a Filter Statement. What are my options? Seems like I would set it up to be maintained in 1 Database and then use Triggers to keep it updated in the other 3 Databases. In order to be a part of the Filter I have to include that table in the Replication Set so how do I flag it appropriately. Is there a better way, altogether? SELECT <published_columns> FROM [dbo].[tblPlan] WHERE [ClientID] IN (select ClientID from [dbo].[tblWorkerOwnership] where WorkerID = SUSER_SNAME()) Which allows you to chain together Filters, this next one is below the first one so it only pulls from the first's Filtered Set. SELECT <published_columns> FROM [dbo].[tblPlan] INNER JOIN [dbo].[tblHealthAssessmentReview] ON [tblPlan].[PlanID] = [tblHealthAssessmentReview].[PlanID] P.S. - I know how illogical the DB structure sounds. I didn't make it. I inherited it and was then told to make it a "disconnected app."

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• Windows 7 - Wireless Signal Good - Internet Often Says Limited or No Activity

  - by Anthony Trilussa Pizzo

  Hi - I have a New Dell Studio XPS latop that I hooked up in early January of 2010. The Dell Studio XPS laptop is connected to my wireless router (Belkin Wireless N). The router was purchased in Februaru of 2010 because I thought my router was bad (A D-Link router). Comcast is my ISP. Everyday, at random times, the internet will have a good signal (according to the little Win 7 icon on the taskbar) but I will receive a message saying limited or no internet access and I cannot access the internet. I have the internet setup to automatically get an IP and I did the IPCONFIG release / renew but with no success. I even had a WiFi enabled Blackberry right next to my computer and whenever the computer loses an WiFi connection, so does the Blackberry. The router isnt't bad, because the old router did the same thing - giving me limited or no internet access while working sometimes. I also tried using two other laptops in same physical position as my Dell Studio XPS laptop and they have the same problem. I am going crazy trying to figure this out as I have called the Router Company (Belkin), my ISP (Comcast), and my computer maker (Dell). Can anyone offer some suggestions and I can try them as we work through this and maybe one of the suggestion will be right one. Thanks in advance for even reading my problem. I searched for a problem similar to mine on the internet, but I have not been able to keep a steady internet connection. (Side note - I used to have an IBM thinkpad laptop and D - Link router and for years that wireless connection worked FLAWLESSLY, with the same physical set up - the laptop in my bedroom, and the router in the basement.)

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• sql developer cannot establish connection to oracle db with listener running

  - by lostinthebits

  I am working from home and connected to my work's vpn. I have tried to connect to the work db with sql developer (the latest version and the previous version) on the following environments: mac os x 10.8.5 (with sql developer launched and installed directly on the iMac. sql developer launched and installed directly on a vm on same computer (guest Ubuntu 12.04 LTS) sql developer launched and installed directly on a vm on same computer (guest Windows 7.0 Professional) I get Status Failure Test Failed : IO Error - The Network Adapter could not establish the connection. I have read dba forums and googled and the most common suggestion is that the oracle listener is not up and running. I can conclusively say this is not the case because I have the option of using remote desktop and accessing the oracle db in question on my work computer. If the listener was down, according to my DBA, no one would be able to connect. My sysadmin and dba are stumped so I assume it is something unique to my home system. The reason I do not want to continue with the remote desktop workaround is because remote desktop has an annoying (infuriating often) lag.

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• SMB access from XP to Windows 2008 R2

  - by Pablo

  Here's the thing... I have a very slow file copy performance from Windows XP clients to Windows 2008R2 servers. Here are the facts: Windows XP to Windows 2K3: Fast Windows XP to Windows 2K8: Very Slow Windows 7 to Windows (any): Fast Despite the fact that the obvious solution would be to upgrade to Windows 7, well, we have 900 desktops so it's not an option in the short time. I have tried everything: Disabling SMB2.0, disabling security signatures, changing the TCP Window size, disabling the W2K8 auto tuning, upgraded the drivers, etc. We eliminated the network; both the server and the client are connected to the same core switch (no hops, no routers, same VLAN). Upon monitoring the network with a packet capture utility, we see that the SMB packets being exchanged between the W2K8 and the XP machines are very small packets (256 bytes); despite the fact that the MTUs are properly set (1500) and there is no fragmentation whatsoever. In fact, those SMB packets show, on the IP datagram, that the window is 65535 or close. The same trace, made using the same application but instead of using a W2K8 share uses a Windows XP share (and that goes FAST) shows SMB packets of 4096 bytes. I can post the traces if necessary. So, why does XP-W2K8 negotiation arrange for 24-bytes SMB payload, whereas the XP-XP negotiation arranges for 4096 SMB packets? Any ideas? I am running short of those...

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• How to completely disable laptop sound?

  - by Alvaro Rodriguez

  I have a HP Pavillion DV7 laptop with win 8 pro. The laptop has an unidentified problem with sound drivers or hardware that sometimes causes volume to constantly jiggle up and down. This is very annoying because of these consequences: Renders mute unusable - as the volume changes the sound unmutes automatically Causes an annoying win 8 "surface UI" notification to appear constantly in the upper left corner, which is distracting enough by itself, but more importantly Renders the whole "surface UI" unusable, because it loses focus whenever the sound changing notification appears When the jiggling happens, the laptop also loses the ability to redirect sound to earphones - sound comes out of the speakers even if earphones are connected. To solve these issues I want to completely disable sound in the laptop (I've tried reinstalling drivers several times to no end). I have tried disabling all sound related drivers and devices in the Device Manager but Windows re-enables those automatically whenever I restart the laptop. The BIOS doesn't have any settings to disable sound hardware either. Please don't suggest having the laptop sound serviced or fixed. It's not worth the expense. I just want to remove sound support so I can use it normally. It is very unusable as it is now.

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• How to configure a Router (TL-WR1043ND) to work in WDS mode?

  - by LanceBaynes

  I have a WRT160NL router (192.168.1.0/24 - OpenWrt 10.04) as AP. It's: - WAN port: connected to the ISP - WLAN: working as an AP, using 64 bit WEP/SSID: "MYWORKINGSSID", channel 5, using password: "MYPASSWORDHERE" - It's IP Address is: 192.168.1.1 Ok! It's working great! But: I have a TL-WR1043ND router that I want to configure as a "WDS". (My purpose is to extend the wireless range of the original WRT160NL.) Here is how I configure the TL-WR1043ND: 1) I enable WDS bridging. 2) In the "Survey" I select my already working network. 3) I set up the encryption (exact same like the already working one) 4) I choose channel 5 5) I type the SSID 6) I disable the DHCP server on it. After I reboot the router and connect to this router (TL-WR1043ND) over wireless I'm trying to ping google.com. From the ping I see that I can reach this router, that's ok, but it seems like that this router can't connect to the original one, the WRT160NL (so I don't get ping reply from Google). The encryption settings/password is good I checked it many-many-many times. what could be the problem? I'm thinking it could be a routing problem, but what should I add to the "Static Routing" menu? I tried to change the IP address of the TL-WR1043ND to: 192.168.1.2 So if this a routing issue then I should add a static routing rule that says: If destination: any then forward the packet to 192.168.1.1 p.s.: I updated the Firmware to the latest version. It's still the same. p.s.2: The HW version of the TL-WR1043ND is 1.8 p.s.3: Could that be the problem that I use different routers? (If I would buy.. another TL-WR1043ND and use it instead of the WRT160NL, and with normal Firmware, not OpenWrt, then it would work?? The "WDS" is different on different routers?) p.s.4: I will try to check the router logs@night - and paste it here! :\

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• IPv4 not enabled in Windows 7

  - by RidDeBakTiYar

  I have a Netbook with Win 7 Starter edition. I am not able to get IPv4 enabled/installed in the Netbook and hence not able to network/connect to Internet. It says "Limited access" when I check connections. It all began when my system crashed and I was not able to get thro beyond the boot screen. The system advice me to try repair with the original OS cd and I did the same. After that the Netbook has booted, but is not able to network. On a detailed study I found that the Network adapter has both IPv4 and IPv6 Protocols, but there are some differences. The IPv4 is not having the "Properties" enabled to configure, while the IPv6 is having "Properties" enabled. I have only a IPv4 Wired and Wireless at home and its not able to get the Netbook connected as it cannot I had tried uninstalling the Adapter to allow windows to automatically detect and install. Using the "netsh" command to uninstall and install, but not having any change in status. There is a option to "Have disk" under add Protocol, but I don't know how to give the standard IPv4 for installation (asking for *.inf). Any help in solving the issue will be very much appreciated

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• Server taking too long to respond error

  - by DCJones

  This is my first post on serverFault and my first entry in to web server configuration. The hardware and software. CPU: GenuineIntel, Intel(R) Core(TM)2 Duo CPU E7500 @ 2.93GHz OS: Linux 2.6.18-128.el5 Memory: 2Gb Background. I am running a small database (MySQL), around 1000 records with each record containing 44 fields. At the start of each day “00:01” the tables are cleared and populated with fresh data. The are 10 remote PCs all running Winodws XP and Firefox internet browser. All remote PC’s are connected to the internet using a min 4Gb broadband connection. Each remote PC runs a URL which displays a dynamic page of data which is refreshed every 20 seconds. This is a continual process 24 hours a day. I problem I am having is on odd occasions throughout the day the PC browser error with “Server taking too long to respond error”. What I am trying to find our is if I have the correct setting in the httpd.conf file on the server. Any help or advice anyone can provide would be very helpful. Best regards Dereck Server config file: httpd.conf ServerRoot "/etc/httpd" PidFile run/httpd.pid Timeout 120 KeepAlive On MaxKeepAliveRequests 200 KeepAliveTimeout 5 <IfModule prefork.c> StartServers 8 MinSpareServers 5 MaxSpareServers 20 ServerLimit 256 MaxClients 254 MaxRequestsPerChild 4000 </IfModule> <IfModule worker.c> StartServers 2 MaxClients 150 MinSpareThreads 25 MaxSpareThreads 150 ThreadsPerChild 25 MaxRequestsPerChild 0 </IfModule>

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• Unable to add datasource in ColdFusion 9 and SQL Server 2008 R2

  - by Evik James

  I just installed SQL Server 2008 R2 and ColdFusion 9.0.1 on my Windows 7 machine for development use only. I have ColdFusion running well and serving pages (that aren't connected to a database). I can view my databases in SQL Server Management Studio. I successfully restored a few small databases and now I am trying to set up datasources for them through the ColdFusion Administrator. On my other machine, this was super easy. Not so much this time. The database I just added is named "Test". I am getting this error: Connection verification failed for data source: Test java.sql.SQLNonTransientConnectionException: [Macromedia][SQLServer JDBC Driver]Error establishing socket to host and port: localhost:1433. Reason: Connection refused: connect The root cause was that: java.sql.SQLNonTransientConnectionException: [Macromedia][SQLServer JDBC Driver]Error establishing socket to host and port: localhost:1433. Reason: Connection refused: connect It looks like the connection between ColdFusion and SQL Server is being refused. I know, brilliant observation, right? On my other machine, I was able to create datasources with just the default settings, no server name, username, or password. Any clue as to what might be the cause and how I might fix it?

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• Finding a backup and synchronization solution

  - by Andrea Zilio

  I'm having difficulties to find a backup and synchronization solution with the following characteristics: Cross-platform: Windows, Linux, Mac Offsite backup (so Internet Backup) Data deduplication Transfer only new/modified bits of modified files Secure: Data encrypted before leaving computer Maintain multiple versions of files (even deleted files) Folder synchronization integrated with backup and across multiple computers connected to the internet (not necessarily in the same LAN) I think that the Folder Sync feature needs a better explanation. The use case is this: you have a desktop pc and a laptop. The desktop pc contains a folder with some files and this folder is part of the backup (so it was selected to be backed up). The laptop does not contain that folder or that files at all. Then you're abroad with your laptop and you need that folder. So you want to be able to open the backup program, select that folder from the backup and download it in your laptop mantaining it synchronized with the backed up version. When you then come back home and switch on your desktop pc you want the folder we're talking about to be updated in the desktop PC. Does anyone knows any service with all these features? I've only found SpiderOak to support all the features I've mentioned but I'm not completely satisfied by the time taken to complete a backup. Sometimes it seems to hang for minutes with no reasons at all and folder synchronization occurs only after all files are backed up (instead folder sync should have a separated queue independent from other backup operations and synchronization should occurs frequently... for example every 5 minutes or less, independently from the frequency of normal backup operations)

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• Ubuntu 12.04 on VMware Player loses network configuration

  - by d4ryl3

  I've been having this issue for 2 weeks now with my VMware Player-hosted Ubuntu 12.04. I only use it for my LAMP stack. I've had no issues with it before until about 2 weeks ago when it almost always (once per day at least) loses its network configuration. On boot it shows: Waiting for network configuration... Waiting up to 60 more seconds for network configuration... Booting system without full network configuration... Then when I do ifconfig -a it doesn't show an IP Address and couldn't get online. The only resolutions I've found so far was either to reinstall VMware Tools or use the VMware Player installer and choose Repair. This is frustrating to me because even when the issue was resolved after doing either of the steps I mentioned, the IP Address gets changed. Then I'd have to update the Remote Configuration of my IDE (Netbeans) and my database manager. What could possible cause this? Please help. Thank you. Additional details: I'm using a laptop with Windows 7 and connected to the office WiFi, which is unrestricted as far as I know. Thanks again.

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• openssl client authentication error: tlsv1 alert unknown ca: ... SSL alert number 48

  - by JoJoeDad

  I've generated a certificate using openssl and place it on the client's machine, but when I try to connect to my server using that certificate, I error mentioned in the subject line back from my server. Here's what I've done. 1) I do a test connect using openssl to see what the acceptable client certificate CA names are for my server, I issue this command from my client machine to my server: openssl s_client -connect myupload.mysite.net:443/cgi-bin/posupload.cgi -prexit and part of what I get back is as follow: Acceptable client certificate CA names /C=US/ST=Colorado/L=England/O=Inteliware/OU=Denver Office/CN=Tim Drake/[email protected] /C=US/ST=Colorado/O=Inteliware/OU=Denver Office/CN=myupload.mysite.net/[email protected] 2) Here is what is in the apache configuration file on the server regarding SSL client authentication: SSLCACertificatePath /etc/apache2/certs SSLVerifyClient require SSLVerifyDepth 10 3) I generated a self-signed client certificate called "client.pem" using mypos.pem and mypos.key, so when I run this command: openssl x509 -in client.pem -noout -issuer -subject -serial here is what is returned: issuer= /C=US/ST=Colorado/O=Inteliware/OU=Denver Office/CN=myupload.mysite.net/[email protected] subject= /C=US/ST=Colorado/O=Inteliware/OU=Denver Office/CN=mlR::mlR/[email protected] serial=0E (please note that mypos.pem is in /etc/apache2/certs/ and mypos.key is saved in /etc/apache2/certs/private/) 4) I put client.pem on the client machine, and on the client machine, I run the following command: openssl s_client -connect myupload.mysite.net:443/cgi-bin/posupload.cgi -status -cert client.pem and I get this error: CONNECTED(00000003) OCSP response: no response sent depth=1 /C=US/ST=Colorado/L=England/O=Inteliware/OU=Denver Office/CN=Tim Drake/[email protected] verify error:num=19:self signed certificate in certificate chain verify return:0 574:error:14094418:SSL routines:SSL3_READ_BYTES:tlsv1 alert unknown ca:/SourceCache/OpenSSL098/OpenSSL098-47/src/ssl/s3_pkt.c:1102:SSL alert number 48 574:error:140790E5:SSL routines:SSL23_WRITE:ssl handshake failure:/SourceCache/OpenSSL098/OpenSSL098-47/src/ssl/s23_lib.c:182: I'm really stumped as to what I've done wrong. I've searched quite a bit on this error and what I found is that people are saying the issuing CA of the client's certificate is not trusted by the server, yet when I look at the issuer of my client certificate, it matches to one of the accepted CA returned by my server. Can anyone help, please? Thank you in advance.

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• VLAN with trunk to avoid broadcast storm in a network with redundant paths

  - by liv2hak

  I have 6 Juniper switches (EX - 2200) connected to each other as shown in the network topology. I have two PC's that I am using PC1 - (used for configuring the 6 switches via minicom) PC2 - to monitor the traffic between the switches via the Ports that are marked with arrows in the diagram. STEP 1: I create a new vlan On Switch 3 (SW3) that includes Port 12 and Port 22. I also assign l3-interface to the vlan (vlan_2) with ip address - 192.168.1.7. Now I plug-in Port 0 of Switch 3 on PC2. Now I try pinging 192.168.1.7 from PC2 (192.168.1.10) I want to know what will happen? My postulation is that I will not be able to ping SW3 from PC2.This is because SW3 (Port 12 and Port 22) is a part of a vlan_2 and vlan_2 logically breaks up broadcast domains and so 192.168.1.7 will not be reachable from 192.168.1.10. Now I have an l3-interface on SW1 with IP 192.168.1.1 using default vlan( vlan-id 0). Similarly I have enabled IP on SW2 - 192.168.1.2 SW3 - 192.168.1.3 SW4 - 192.168.1.4 SW5 - 192.168.1.5 SW6 - 192.168.1.6 all using default vlan. I create VLAN2 with the following configuration SW3 - Port 12,Port 22. SW6 - Port 14 I create VLAN3 with the following configuration SW3 - Port 0 SW6 - Port 0 I also configure a VLAN trunk between SW3 and SW6 using the following commands. edit interfaces ge-0/0/12 set unit 0 family ethernet-switching port-mode trunk edit interfaces ge-0/0/12 set unit 0 family ethernet-switching vlan members all There is a redundant path in the network as the loop between SW3 and SW6 is closed.There is no broadcast storm in the network? What is the reason for this? I have not enabled STP or RSTP.still there is no broadcast storm.what is the reason for this. (Please ignore the CISCO symbol on the switches in the diagram.All swithes are Junper EX 22-00.)

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• FTP on Linux "Failed to retrieve directory listing" not firewall issue

  - by Jaka Prasnikar

  I've got an VPS in germany running Debian X64. I have very strange issue. I have ISPConfig CP installed using proftpd and I can not connect to FTP by any means. Few hours ago I've had installed DirectAdmin on CentOS same VPS and same issue. Simply when I connect to FTP server I get these: Status: Resolving address of web02.defikon.com Status: Connecting to 130.255.190.71:21... Status: Connection established, waiting for welcome message... Response: 220---------- Welcome to Pure-FTPd [privsep] [TLS] ---------- Response: 220-You are user number 1 of 50 allowed. Response: 220-Local time is now 12:15. Server port: 21. Response: 220-This is a private system - No anonymous login Response: 220-IPv6 connections are also welcome on this server. Response: 220 You will be disconnected after 15 minutes of inactivity. Command: USER default1 Response: 331 User default1 OK. Password required Command: PASS ****** Response: 230-User default1 has group access to: client0 sshusers Response: 230 OK. Current restricted directory is / Command: OPTS UTF8 ON Response: 200 OK, UTF-8 enabled Status: Connected Status: Retrieving directory listing... Command: PWD Response: 257 "/" is your current location Command: TYPE I Response: 200 TYPE is now 8-bit binary Command: PASV Error: Connection timed out Error: Failed to retrieve directory listing I even tried telnet localhost 21 and the same happends. Once I issue command "LIST" I get time out. I've tried every thing and I can't get this to work =( Please help ! P.S.: iptables is turned off.

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• Whats the difference between local and remote addresses in 2008 firewall address

  - by Ian

  In the firewall advanced security manager/Inbound rules/rule property/scope tab you have two sections to specify local ip addresses and remote ip addresses. What makes an address qualify as a local or remote address and what difference does it make? This question is pretty obvious with a normal setup, but now that I'm setting up a remote virtualized server I'm not quite sure. What I've got is a physical host with two interfaces. The physical host uses interface 1 with a public IP. The virtualized machine is connected interface 2 with a public ip. I have a virtual subnet between the two - 192.168.123.0 When editing the firewall rule, if I place 192.168.123.0/24 in the local ip address area or remote ip address area what does windows do differently? Does it do anything differently? The reason I ask this is that I'm having problems getting the domain communication working between the two with the firewall active. I have plenty of experience with firewalls so I know what I want to do, but the logic of what is going on here escapes me and these rules are tedious to have to edit one by one. Ian

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• Cannot connect to server via SSH

  - by Rayne

  I'm running RHEL 6.0, and I accidentally moved the /bin, /boot, /cgroup, console.txt, /data, /dev, /etc to another folder. I think I managed to move these folders back, but now I'm having trouble connecting to the server using SSH, but am able to access the server via VNC. When I tried to connect to the server using a terminal from another server, I get the error ssh_exchange_identification: Connection closed by remote host I'm currently still connected via SSH to the server (haven't closed the window yet), and am still able to access it normally. But if I try to open a new SSH terminal from my current session, I see /bin/bash: Permission denied If I try to open a new SSH File Transfer window from my current session, I get the error File transfer server could not be started or it exited unexpectedly. Exit value 0 was returned. Most likely the sftp-server is not in the path of the user on the server-side I checked and I have Subsystem sftp /usr/libexec/openssh/sftp-server which is the same path as the output of locate sftp-server Also, when I tried to restart sshd, I get the error Couldn't open /dev/null: Permission denied But my /dev/null has the permissions crw-rw-rw- for root,root. How can I resolve this? ETA: Thanks for all your help! I was able to start ssh by running the application directly /usr/sbin/sshd Even though the status of the openssh-daemon is still "stopped".

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• Linksys WAP54G v3.1 no access, power and link LED solid

  - by user142113

  I'm managing the Network of a small enterprise. A Linksys WAP54G v3.1 used to provide the WiFi network. I was called, because the device did not provide a WiFi network anymore. I first of all tried to ping the device via LAN, but there was no reaction. I've frequently reconnected the AP to the mains and always the POWER and the LINK LED keep solid, even if no network cable is connected. What I've done yet: Reset as documented: Pressed the RESET button for 10 seconds. After that I have tried to access the AP with a direct cable connection to my computer, that I've set to a static ip of 192.168.1.240, but i got no ping response on the default IP 192.168.1.245. Furthermore ipconfig reports "media disconnected". More complex reset method as described here http://bruceshankle.blogspot.de/2005/12/how-to-reset-linksys-wap54g.html as well had no effect. also tried to ping 192.168.1.1 without success Tried this method: http://www.daniweb.com/hardware-and-software/networking/threads/142437/linksys-wireless-access-point-problem#post680245 but there was no ping response when powering up. As well the tftp transfer timed out Finally tried to short pin 15 and 16 of the flash chip on the bottom side of the AP mainboard while booting to provoke a Checksum error. This should lead to the possibility to upload a firmware with tftp, as the AP stops booting and waits for a tftp connection on 192.168.1.1. But I've had no success. As well i've put pin 15 and 16 to ground while booting, also without an effect. After all that I still can't ping the AP, ipconfig still tells me "media disconnected". The POWER and LINK LED are solid. I would appreciate your answers

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• configuring vsftpd anonymous upload. Creates files but freezes at 0 bytes

  - by Wayne

  vsftpd on ubuntu after sudo apt-get install vsftpd Then did configuration as in the attached /etc/vsftpd.conf file. Anonymous ftp allows cd to the upload directly and allows put myfile.txt which gets created on the server but then the client hangs and never proceeds. The file on the server remains at 0 bytes. Here's the folders and permissions: root@support:/home/ftp# ls -ld . drwxr-xr-x 3 root root 4096 Jun 22 00:00 . root@support:/home/ftp# ls -ld pub drwxr-xr-x 3 root root 4096 Jun 21 23:59 pub root@support:/home/ftp# ls -ld pub/upload drwxr-xr-x 2 ftp ftp 4096 Jun 22 00:06 pub/upload root@support:/home/ftp# Here's the vsftpd.conf file: root@support:/home/ftp# grep -v '#' /etc/vsftpd.conf listen=YES anonymous_enable=YES write_enable=YES anon_upload_enable=YES dirmessage_enable=YES xferlog_enable=YES anon_root=/home/ftp/pub/ connect_from_port_20=YES chown_uploads=YES chown_username=ftp nopriv_user=ftp secure_chroot_dir=/var/run/vsftpd pam_service_name=vsftpd rsa_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem rsa_private_key_file=/etc/ssl/private/ssl-cert-snakeoil.key Here's a file example that attempted to upload: root@support:/home/ftp/pub/upload# ls -l total 0 -rw------- 1 ftp nogroup 0 Jun 22 00:06 build.out This is the client attempting to upload...it is frozen at this point: $ ftp 173.203.89.78 Connected to 173.203.89.78. 220 (vsFTPd 2.0.6) User (173.203.89.78:(none)): ftp 331 Please specify the password. Password: 230 Login successful. ftp> put build.out 200 PORT command successful. Consider using PASV. 553 Could not create file. ftp> cd upload 250 Directory successfully changed. ftp> put build.out 200 PORT command successful. Consider using PASV. 150 Ok to send data.

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• How to connect the virtual networks of vmware guests running on different hosts?

  - by gyrolf

  In a test setup, we are running several virtual machines on a single vmware workstation host. All virtual machines are connected via a "host only" network. This runs fine up to 2 or 3 virtual machines (depending on the host hardware). To allow more virtual machines, we want to use more host machines. Details about the environment and applications: Host PCs are running Windows XP in a corporate intranet. VMware used is Workstation 6.5 Guests are running Windows Server 2003 All guests act as Web Servers One of the guests additionally acts as Windows File server, offering shared folders for the other guests to connect to. Restrictions: VMware guests shall not be visible from the intranet. Changes to the host PC are restricted by corporate policy. In the virtual network, no domain controller exists. All virtual machines are member of the same workgroup. Running the virtual network as NAT is possible. Port forwarding might be used if it does not conflict with ports used by the host PC. Looking for a solution, I found hints about using router or vpn software on the hosts, but without any details how to setup. (I found a similar question Sharing the network between 2 VMware hosts, but the answer was not sufficient for me.)

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