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• Loading guest OS's (Windows) localhost through my host's (Mountain Lion) browsers

  - by Jonah Goldstein

  For work, I have to develop in Visual Studio, which I run via VMware's fusion 5. I really want to test via my mac's native browsers for a multitude of reasons. that is, view the IIs web stuffs that my windows VM should expose, in my mac's own native Firefox, Chrome... etc. if i could expose a pretty url, that would be even better, but i would certainly settle for an ugly IP :) I got a decent number of views but no response when I asked in VMware's own boards. Everyone seems to want to go the other direction (developing in sublimetext/textmate serving up through MAMP and exposing it to windows browsers to test) and there seems to be tried a true solutions for this. unfortunately (or fortunately depending on your preference) my startup is pretty entrenched in the visual studio development tools. I'm really hoping that someone knows the answer to this. Thanks :)

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• Nginx server_name is set to mydomain.com, so why is www.mydomain.com getting served too?

  - by Lorenz Forvang

  I have my Nginx conf set up as follows: server { listen 443 ssl; server_name mydomain.com; ... } When I load https://mydomain.com, the site loads fine. But when I load https://www.mydomain.com, the site loads as well. Why is this happening? I set up the DNS records using Amazon Route 53 as: A mydomain.com xxx.xxx.xxx.xxx (IP) CNAME www.mydomain.com mydomain.com So is a request to www.mydomain.com arriving at Nginx as a request to mydomain.com? If so, how do I differentiate requests to www.mydomain.com and mydomain.com at my server?

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• Routing and Remote access rule not being applied internally (Windows SBS)

  - by Tim Saunders

  Hi, I have a Microsoft Small Business Server. I have pointed an external domain name to the external fixed IP address for the server. In routing and remote access I have defined a service for our subversion server as follows: Incoming port: 8443 Private address: 192.168.10.5 Outgoing port: 8443 192.168.10.5 is our development server, not the SBS (which is at 192.168.10.1) This rule works correctly if I am not on our internal network. However if I am on the internal network this rule does not get applied. What can I do/set so this rule is applied both internally and externally (so users with laptops et, don't keep having to change the URL by which they access the subversion server) Not sure what other info you may need, so please let me know if more details are required. T

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• Access Denied on LAN IIS Access via Integrated Authentication

  - by Pharao2k

  I have an IIS 7.5 (Win2k8R2) Webserver, which publishes an UNC Share (on a Fileserver) with restricted access. The AppPool Identity is a Domain User-Account with read access to mentioned UNC path. Authentication modes are set to Anonymous and Integration Authentication. When I access the path via localhost from the Webserver itself, it works, but if I try the Hostname or IP from either the Webserver or a Client, I get three authentication prompts (does not accept my credentials) and a 401.3 Unauthorized error message (but it states that I am logged in as my normal credentials which definitely have access rights to the UNC path and its files). Security Zone is set to Local Intranet. Sysiniternals Process Monitor lists CreateFile operations on the UNC path (and other existing files in it) with Access Denied and Impersonating on the correct credentials. I don't understand why it is not working, it seems to use the correct credentials on every step on the way but fails with is operations.

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• How to share my localhost over the internet?

  - by Loolooii

  I really want to share my localhost over the internet to show my friends the progress of the website we're working on, so that I don't need to upload it to the public server each time I make a change. showoff.io is not free and localtunnel gives me "failed to authenticate" when trying to upload my public key (a lot of people seem to have this problem and there doesn't seem to be a solution for this). Does anyone know any other free service I can use or any other solution at all? I'm using a Mac. Thanks. UPDATE: with localhost I mean a web server running on my computer, I have a dynamic IP address and no I'm not behind a router (just using a wireless modem).

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• Ejabberd Clustering on EC2

  - by Architact

  I am trying to implement ejabberd clustering on Amazon EC2 instances, I have installed ejabberd and it is working fine on both instances, I can connect and send message, my first server is a master server and has the FQDN of master.example.com, second server is a slave and has FQDN of slave.example.com. I have edited the ejabberdctl.cfg file on both instances changed INET_DIST_INTERFACE on both instances to the value returned by ifconfig changed ERLANG_NODE to [email protected] on master and [email protected] on slave. Now when I run this command on slave net_adm:ping('[email protected]'). it always returns pang response indicating that it can't reach the master server. I am looking for possible fixes for that. Things already done Both master and slave domains are pointing to their instances I even tried allocating elastic ip and assigning that to instances, but did not help either. Any help will be greatly appreciated.

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• How should I troubleshoot a problematic wireless connection on Linux?

  - by Gearoid Murphy

  I recently purchased a netgear 150 usb wireless dongle for use with my 11.10 Xubuntu amd64 system. Using the network-manager interface, I can see local wireless networks and enter the authentication details for my local wireless lan. Unfortunately, the connection does not seem to work, I keep getting notifications that my wireless has disconnected (but none indicating that I've connected). When I examine syslog, it seems to indicate that I've successfully associated with the wireless switch and that dhcp has successfully acquired an ip address but the log shows that the dhcp process keeps sending requests, eventually dropping the connection. 'ifconfig wlan0' never shows the dhcp address logged in syslog. I suspect that the problem lies with the usb dongle, my configuration or the wireless switch but I am not certain how to isolate the problem, can anyone provide some insight on how I should go about homing in on the cause of this problem or verifying the functionality of the individual components, thanks.

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• AWStats log format for tomcat access logs which has X-Forwarded-For

  - by Nix

  What should be the AWStats log format for below tomcat access logs ? I tried these formats but the external IP addresses are not coming into AWStats reports. LogFormat="%host %other %logname %time1 %methodurl %code %bytesd %refererquot %uaquot %referer %other %other" LogFormat="%other %other %logname %time1 %methodurl %code %bytesd %refererquot %uaquot %host_proxy" tomcat valve settings: pattern="%h %l %{USER_ID}s %t &quot;%r&quot; %s %b &quot;%{Referer}i&quot; &quot;%{User-Agent}i&quot; &quot;X-Forwarded-For=%{X-Forwarded-For}i&quot; &quot;JSESSIONID=%{JSESSIONID}c&quot; %D" Log entry: 127.0.0.1 - - [04/Nov/2013:13:39:55 +0000] "GET / HTTP/1.1" 200 12345 "https://www.google.com/url?some_url" "Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/30.0.1599.101 Safari/537.36" "X-Forwarded-For=real_ip, proxy_server_internal_ip" "JSESSIONID=-" 12345

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• Disable NSS LDAP IPv6 (AAAA) lookups

  - by pilcrow

  Question: How can I disable inet6 AAAA queries for my LDAP server during (LDAP-backed) NSS lookups on a CentOS (RHEL) 5 machine? Background: I've servers configured to consult ldap://ldap.internal for NSS passwd and group lookups. Every relevant NSS lookup, for example the getpwuid(3) implied by an ls -l which needs to translate UIDs to network user names, performs the following DNS dance before connecting to the ldap server: AAAA? ldap.internal -> (no records) AAAA? ldap.internal.internal -> NXDomain A? ldap.internal -> 192.168.3.89 I'd like to skip the first two queries completely. Configuration: [server]$ cat /etc/redhat-release CentOS release 5.4 (Final) [server]$ grep ^passwd /etc/nsswitch.conf passwd: files ldap [server]$ grep ^uri /etc/ldap.conf uri ldap://ldap.internal/ For what it's worth, IPv6 support is otherwise disabled on these systems: [server]$ grep off /etc/modprobe.conf alias ipv6 off alias net-pf-10 off [server]$ echo "$(ip a | grep -c inet6) IPv6-enabled interfaces" 0 IPv6-enabled interfaces

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• IPSec on Domain Controllers and Trusted Domains

  - by OneLogicalMyth

  I am looking at configuring IPSec as follows: Isolation Request authentication for inbound and outbound connections Computer and user (Kerberos V5) I am looking to do a blanket deployment across all servers and domain controllers. Workstations I will leave as not set. What impact in terms of the domain controllers with the 2-way forest trust do think I would see? Should I exclude the IP addresses of the trusted domain controllers? I don't want to stop communication between the current and trusted forest, however I do want IPsec to be used within the current forest on all servers. The trusted forest is running 2008 R2 and the current forest is 2012 R2.

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• Chain Gateways on the LAN

  - by Black2night

  I installed m0n0wall in a virtualized environment, i have 10 PCs connected to a router ( 192.168.1.0/24) which connect them to the internet through PPPoE, the problem is that this router does not have a QoS so what i want to do is the following :- let all the PCs get their IP from the Router and the default gateway will be m0n0wall the moon wall will have 2 interface (Lan 192.168.1.20) and (Wan 192.168.1.21 and default gateway 192.168.1.1) now when any PC want to access the internet it should go through m0n0wall and then m0n0wall will forward the connection to the default gateway through the wan interface which is the PPPoE running on the router (192.168.1.1) the big question is this scenario possible or not and what do you suggest? Thanks

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• IPsec VPN tunnel between Windows 2008 R2 and CISCO ASA?

  - by antur123

  I need to create a VPN IPsec tunnel between my Windows 2008 R2 server and a CISCO ASA device. I want my server to be both the end of the tunnel, and the server that connects to the other side (no need to connect a whole subnet, just the server would be fine). I found this article that seems to do the trick, but there are two differences: As mentioned above, the computer behind my end is the server itself. Can that be configured? (i.e. make the "computers in endpoint 1" IP address be the same than "local tunnel computer"). This article is for Juniper ScreenOS, not for CISCO ASA, though configurations look very similar. Would that configuration work for me?

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• Does a bad Internet connection increase bandwidth usage?

  - by Synetech

  My (Rogers) cable connection has been pretty bad recently (channels 3 and 10 are particularly fuzzy—it’s analog, not digital cable). Not surprisingly, this has caused my cable modem to drop out and have to reestablish a connection a couple of times since it started. The poor connection of course means higher corruption (not necessarily dropped per se) which causes the TCP/IP stack to have to retransmit packets more often. Reduction of bandwidth throughput aside, I got to wondering if it increases the actual bandwidth usage. That is, if there is a high error rate on the line causing packets to have to be retransmitted: Does this increase a bandwidth monitoring program’s numbers? Does the ISP count the retransmitted packets toward the monthly cap? Based on what I remember from my university networking courses and common sense, I have a feeling that the answer to both questions is yes, but I cannot reliably measure the first, and have no authoritative answer for the second. I’m wondering if maybe the retransmitted packets are acknowledged as being duplicates and thus not counted somewhere along the line.

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• Fortigate VPN Routing issue

  - by user1571299

  I have 200B Fortigate unit with 2 internet WAN connections. I also have a remote site which I'm connected to via IPSEC VPN through WAN1. This site has only one GW IP address. I'd also like to setup a VPN ontop of WAN2 with that specific site as it's destination. The default route for my end is WAN1. My problem is I cant figure out how to have both tunnels up at the same time. What's the best practice for achieving this? Thanks

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• Apache does not serve non-locally

  - by yodaj007

  I have a freshly installed instance of Fedora Core 16 inside VirtualBox using bridged networking. On it, as root I typed in: yum -y install httpd service httpd start ifconfig Inside the VM, I can open a web browser to 'localhost' and I get the Apache test page. It works. But in Windows (the machine hosting the VM), I point my browser to the IP address returned by ifconfig (192.168.2.122). The connection times out. I can go to a command prompt and ping the VM. Is there a firewall or something that comes with Fedora by default? Or is there something I need to change in a config file?

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• Ubuntu VPN Server (PPTPD) Configuration - Pass Traffic to Internet

  - by SnAzBaZ

  I am trying to configure PPTPD on my Ubuntu box to pass all VPN traffic through to it's internet connection, so I essentially want it to work like a Proxy. I think the problem is that no default gateway is being assigned to my PPTP client (Windows 7). I can connect to the VPN fine, I get an IP address and DNS servers but no default gateway. Do I need to configure a specific option to tell the VPN server to forward all traffic it receives down it's eth0 port and out to the internet. Thanks!

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• How to failover to local account on a cisco switch/router if radius server fails?

  - by 3d1l

  I have the following configuration on a switch that I testing for RADIUS authentication: aaa new-model aaa authenticaton login default group radius local aaa authentication enable default group radius enable aaa authorization exec default group radius local enable secret 5 XXXXXXXXX ! username admin secret 5 XXXXXXXXX ! ip radius source-interface FastEthernet0/1 radius-server host XXX.XXX.XXX.XXX auth-port 1812 acct-port 1813 key XXXXXXXXX radius-server retransmit 3 ! line con 0 line vty 5 15 Radius authentication is working just fine but if the server is not available I can not log into the router with the ADMIN account. What's wrong there? Thanks!

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• Bound external Cisco CIGESM ports to a specific BladeServer

  - by Vinícius Ferrão

  We have an IBM BladeCenter with 14 blade servers and one external Cisco CIGESM for Ethernet connectivity. Since this hardware is a little old, we will use it for other services, and we want to run a pfSense instance on one of the blades. It's just an Firewall Appliance, but it needs two network interfaces: one for the WAN and the other one for LAN access. Our architecture works on top of static routes, we don't use NAT, so we got the WAN IP in one interface routing to the another one. The main problem is how to plug the WAN cable in one of the four external ports and make it exclusive to the blade server containing the firewall. And we also need an exit port that goes through a 3COM 4200G switch that makes the internal routing and VLAN separation. Thanks in advance

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• Cannot open any web page, but MSN Messenger works

  - by Steven

  I use my computer behind a router. My MSN program can connect to the Internet, but I can not open any web site with my web browser. It seems that this problem is related to DNS because when I input an IP address directly in the address bar of my web browser, the web page can be displayed. However, I don't know how to fix this problem. I choose Google Public DNS server on my computer, this problem still exists. My OS is windows XP. How to fix this problem? Any ideas?

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• Bluetooth Headset drivers on Windows 7

  - by Tom Ribbens

  I have a Dell Precision with integrated bluetooth from work. I wanted to connect either one of my two bluetooth headsets (Plantronics UC Voyager Pro v2 and Sennheiser MM450X) in order to make calls with it using our Cisco IP Communicator. In both cases, the bluetooth pairs ok. Then Windows tries to install drivers, and fails, leaving the device useless. The devices work perfectly with my phone and tablet (both android). What can I do to get it to work? I can't seem to find drivers on either the Plantronics or the Sennheiser site. I am using the Plantronics without the USB dongle they provide, because that is temporarily misplaced :).

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• My site was recently attacked. What do I do?

  - by ChrisH

  This is a first for me. One of the sites I run was recently attacked. Not at all an intelligent attack - pure brute force - hit every page and every non-page with every extension possible. Posted with garbage data to every form and tried to post to some random urls too. All tod, 16000 requests in one hour. What should I do to prevent/alert this kind of behavior? Is there a way to limit the request/hr for a given ip/client? Is there a place I should be reporting the user to? They appear to be from China and did leave what seems like a valid e-mail.

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• Accesing internet with Host-Only network VirtualBox

  - by Bibo

  I have two VMs in my VirtualBox. Both are FreeBSD and should communicate between each other. I have created network with DHCP enabled and set like this: Server Address 10.10.10.1 Server Mask 255.255.255.0 Lower Address Bound 10.10.10.100 Upper Address Bound 10.10.10.200 My VMs are pinging each other and getting right ip adress. This is what I must have and can´t change. Now I want to access internet from one VM and I found that I must use two network cards but I don´t know how to set the second one. I am new with VirtualBox and this stuff so if you count with this in you answer I would appreciate that. And I have Windows 8 as host system if it´s matter.

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• Can ping localhost but can't browse

  - by Anna

  I know this is a pretty common question but I did my research and couldn't find a solution for this issue. I'm configuring a development application server and I came to the point where I can ping both localhost and 127.0.0.1, but I cannot browse either of them from IE or Firefox. I can browse and ping other websites (such as google) just fine. I tried flushing the dns (ipconfig /flushdns), restarting the IIS Admin service, restarting IIS itself, etc, and nothing seems to work. The results from ipconfig /all shows IP Rounting Enabled = No and WINS Proxy Enabled = No. Hwat is intriguing to me is that I compared everything in IIS in the dev environment with the production environment and the settings are the same, but I can browse localhost in production, but not in dev! What could be causing the inability to browse localhost and 127.0.0.1 from IE and Firefox?

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• How to configure machines in a public subnet with two gateways?

  - by Shtééf

  We have a single public /24 subnet, with a BGP router as the primary gateway. Now I'm interested in configuring a second router for redundancy. How do I deal with multiple gateways on the servers in our public subnet? I found some other questions related to multiple gateways that seem to deal with NAT set-ups. In my situation, the servers all have public routed IP-addresses. So from what I can tell, it doesn't really matter which route incoming or outgoing packets take. But I figure the servers need some way of telling when one of the gateways is down, and route around it? Is this accomplished with protocols such as OSPF? And do I need to deploy this on all my servers?

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• Rsync over NFS with QoS: How to view real transfer speed?

  - by Ian Mackinnon

  We have a bandwidth limit between a Linux server and a NAS, created using 'tc' with an IP filter. When writing to an NFS mount of the NAS, rsync claims a very high transfer speed for each file and then waits a long time before acknowledging that everything has finished. The total time taken is consistent with the QoS limit and the time taken by the same transfer over FTP. Why does the write to the NFS mount report higher transfer speeds than are actually happening over the network? How can I monitor the actual bandwidth of the transfer?

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