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• Generic/Text Printer on Windows 7 not prompting for file name

  - by Trevor Tippins

  Hope someone can shed some light on this. I am downloading reports from an AIX-based system by directing them to a TT printer which the terminal emulator (MultiView 2000) intercepts and directs to the default printer on the local system. This local printer is configured as a vanilla Generic/Text printer attached to a FILE port. When I print from AIX, the output is spooled down and the local printer prompts for a file name into which to save the file...but not under Windows 7. This has worked fine for many years, on both Win2K and WinXP. However, on Windows 7 the output gets spooled as a file into spool\PRINTERS (and looks as expected) but the print job then hangs with a status of "Error - Printing" and never prompts for a file name. I have to cancel the job. The Generic/Text printer works as expected with other applications. I have tried setting the printer to print directly rather than spooling but this only serves to hang the terminal session too. I've also tried to run the emulator in Windows 2000 Compatibility Mode and as Administrator in case it was something like that but with no luck. As you might expect, it does work fine in XP Mode (as long as I print to a printer defined therein and not the host's printer) but operationally this isn't going to be an option. Obviously this emulation software is a decade old (at least) and I could just cross/upgrade all the users (at a cost) but, before I do so, has anyone seen this sort of behaviour before and found some sort of fix? Remote OS: AIX 5 Client OS: Windows 7 Pro (32-bit) Printer: Generic/Text on a FILE port TE Software: MultiView 2000 (32-bit) Thanks in advance.

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• Switch Before Firewall / Router - Multiple public IPs

  - by rii

  I currently Have a 10Mbit Full duplex circuit connected to a small unmanaged switch which then connects to a Sonicwall Firewall / Router. I have several public IP addresses (/28) that are assigned to several devices in my setup. Now the problem is the small switch I have was lent to me and needs to be returned, I have replaced this switch with several other switches but for some reason any other switch I use causes the network to become extremely slow. I believe this is a problem with the autonegotiation of theses hubs, so I am thinking of purchasing a small managed switch (cisco 300 series) and making the receiving port on the swith Explicitly 10Mbit Full Duplex and see if this works. My question is, being that this is a managed switch and needs an IP, will I still be able to run my public ips through it? Say the circuit has 70.80.4.1 - 7 will I still be able to assign 70.80.4.2 to my firewall and 70.80.4.3 to my router connected to some other port in the switch? Will I have to assign the switch a public IP address in this range as well for it to "route" to those other devices or does the switch does not care what IPs goes through it while operating as a Layer 2 Switch? Any help would be greatly appreciated. Thanks in advanced!

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• Anonymous Login attemps from IPs all over Asia, how do I stop them from being able to do this?

  - by Ryan

  We had a successful hack attempt from Russia and one of our servers was used as a staging ground for further attacks, actually somehow they managed to get access to a Windows account called 'services'. I took that server offline as it was our SMTP server and no longer need it (3rd party system in place now). Now some of our other servers are having these ANONYMOUS LOGIN attempts in the Event Viewer that have IP addresses coming from China, Romania, Italy (I guess there's some Europe in there too)... I don't know what these people want but they just keep hitting the server. How can I prevent this? I don't want our servers compromised again, last time our host took our entire hardware node off of the network because it was attacking other systems, causing our services to go down which is really bad. How can I prevent these strange IP addresses from trying to access my servers? They are Windows Server 2003 R2 Enterprise 'containers' (virtual machines) running on a Parallels Virtuozzo HW node, if that makes a difference. I can configure each machine individually as if it were it's own server of course... UPDATE: New login attempts still happening, now these ones are tracing back to Ukraine... WTF.. here is the Event: Successful Network Logon: User Name: Domain: Logon ID: (0x0,0xB4FEB30C) Logon Type: 3 Logon Process: NtLmSsp Authentication Package: NTLM Workstation Name: REANIMAT-328817 Logon GUID: - Caller User Name: - Caller Domain: - Caller Logon ID: - Caller Process ID: - Transited Services: - Source Network Address: 94.179.189.117 Source Port: 0 For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp. Here is one from France I found too: Event Type: Success Audit Event Source: Security Event Category: Logon/Logoff Event ID: 540 Date: 1/20/2011 Time: 11:09:50 AM User: NT AUTHORITY\ANONYMOUS LOGON Computer: QA Description: Successful Network Logon: User Name: Domain: Logon ID: (0x0,0xB35D8539) Logon Type: 3 Logon Process: NtLmSsp Authentication Package: NTLM Workstation Name: COMPUTER Logon GUID: - Caller User Name: - Caller Domain: - Caller Logon ID: - Caller Process ID: - Transited Services: - Source Network Address: 82.238.39.154 Source Port: 0 For more information, see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

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• Windows Server 2008 - RAID 5 Fails on Reboot

  - by Adam

  Hey, I've got an install of Windows Server 2008 Enterprise. It's running software RAID-5 with five disks. The disks were originally formatted under Windows Server 2003, but came up fine once I installed Windows Server 2008. The issue I'm having is that every time I reboot the server, the RAID comes up with a "Failed Redundancy" - the data stays available. I have 4 disks on a PCI SATA controller, and one of the disks connected to the motherboard's on-board SATA ports. (The other on-board port has the system disk connected.) I was having Disk #4 fail consistently, so I tried swapping the cables on the controller end. I swapped the on-board RAID disk with one on the PCI controller. Same issue now, expect with disk #1. Once the system's up, I can reactivate the RAID, it will resync for a while, then go to "Healthy", and will stay that way for an indefinite amount of time - until I reboot. As soon as I reboot, the disk drops again. I've ruled out disk + cable with the recabling. I don't believe it would be the controller as it seems to work fine most of the time - only failing on reboot, and the other port on the same controller connects the system disk - which is clearly working. I did look in the event log, but didn't see anything particularly relevant (although I didn't know what I was looking for - just looked for anything with a "Warning" or "Error" symbol that looked disk-related :)). I'm not particularly familiar with RAID on Windows, does anyone have any idea why this might be doing this? Any idea how to fix it? Any suggestions appreciated! -- Adam

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• iptables firewall rules not allowing ssh from lan to DMZ

  - by ageis23

  Chain INPUT (policy ACCEPT) target prot opt source destination REJECT tcp -- anywhere anywhere tcp dpt:www reject-with tcp-reset REJECT tcp -- anywhere anywhere tcp dpt:telnet reject-with tcp-reset ACCEPT 0 -- anywhere anywhere state RELATED,ESTABLISHED DROP udp -- anywhere anywhere udp dpt:route DROP udp -- anywhere anywhere udp dpt:route ACCEPT udp -- anywhere anywhere udp dpt:route logdrop icmp -- anywhere anywhere logdrop igmp -- anywhere anywhere ACCEPT udp -- anywhere anywhere udp dpt:5060 ACCEPT 0 -- anywhere anywhere state NEW logaccept 0 -- anywhere anywhere state NEW ACCEPT 0 -- anywhere anywhere ACCEPT 0 -- anywhere anywhere ACCEPT 0 -- anywhere anywhere logdrop 0 -- anywhere anywhere Chain FORWARD (policy ACCEPT) target prot opt source destination REJECT 0 -- 192.168.0.0/24 192.168.2.0/24 reject-with icmp-port-unreachable ACCEPT tcp -- choister 192.168.2.142 tcp dpt:ssh state NEW REJECT 0 -- 192.168.0.0/24 192.168.3.0/24 reject-with icmp-port-unreachable ACCEPT gre -- 192.168.1.0/24 anywhere ACCEPT tcp -- 192.168.1.0/24 anywhere tcp dpt:1723 ACCEPT 0 -- anywhere anywhere ACCEPT 0 -- anywhere anywhere ACCEPT 0 -- anywhere anywhere ACCEPT 0 -- anywhere anywhere TCPMSS tcp -- anywhere anywhere tcp flags:SYN,RST/SYN TCPMSS clamp to PMTU lan2wan 0 -- anywhere anywhere ACCEPT 0 -- anywhere anywhere state RELATED,ESTABLISHED logaccept tcp -- anywhere choister tcp dpt:www TRIGGER 0 -- anywhere anywhere TRIGGER type:in match:0 relate:0 trigger_out 0 -- anywhere anywhere logaccept 0 -- anywhere anywhere state NEW logdrop 0 -- anywhere anywhere The ssh server I'm trying to connect to is in the DMZ(192.168.0.145). It's mainly used as a web server. I need access to it from my room 192.168.2.142. I don't get why ssh can't forward onto the 192.168.2.0 subnet? I'm sure it's the reject rule that causing this because it works without it.

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• Oracle Error ORA-12560 TNS:Protocol Adapter error?

  - by David Basarab

  I am using Oracle Database 10g. Both Servers are Windows 2003. I have an Orcale Database set up on one server. Here is the TNSNames.ora from the server with the database. # tnsnames.ora Network Configuration File: C:\oracle\product\10.2.0\db_1\network\admin\tnsnames.ora # Generated by Oracle configuration tools. ORCL.VIRTUALHOLD.COM = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = databaseServer)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl) ) ) The Environmental Variables on the Server are ORACLE_HOME = C:\oracle\product\10.2.0\db_1 ORACLE_SID = orcl I am trying to connect to it from another box that has Oracle Client installed. Here is the tnsnames.ora installed on the other client server. # tnsnames.ora Network Configuration File: C:\oracle\product\10.2.0\client_1\network\admin\tnsnames.ora # Generated by Oracle configuration tools. ORCL = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = databaseServer)(PORT = 1521)) ) (CONNECT_DATA = (SERVICE_NAME = orcl) ) ) ORACLE_HOME = C:\oracle\product\10.2.0\client_1 ORACLE_SID = orcl Locally on the database server I can connect to through sqlplus with no issues. On the client machine I keep getting the error: ORA-12560: TNS:protocol adapter error What am I missing? Does the client TNSNames.ora need to be different?

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• Apache Virtual Hosts behind Cisco Router

  - by Theo

  I'm setting up an Apache 2.2 Ubuntu web server for internal services that is also supposed to be accessed from outside our LAN. Our LAN has a single external IP that is the external IP of our RV042 Cisco router. We have set up several A records on our external DNS server that point to this IP. Our internal DNS server resolve the same records to the internal IP of our web server, so computers from inside the network can access them using the same address as if they were outside. We forwarded the router's external 80 port to our web server's 80 port. I have set up one Virtual Host for each domain name in our list, and my httpd.conf is something like this: ServerName web.domain.com NameVirtualHost *:80 <VirtualHost *:80> ServerName alfresco.domain.com <Proxy *> Order deny,allow Allow from all </Proxy> ProxyPass /alfresco http://localhost:8080/alfresco ProxyPassReverse /alfresco http://localhost:8080/alfresco ProxyPass /share http://localhost:8080/share ProxyPassReverse /share http://localhost:8080/share </VirtualHost> <VirtualHost *:80> ServerName crm.domain.com DocumentRoot /var/www/sugarcrm </VirtualHost> Now, this works if we are in our LAN. However, if we are outside of our LAN we reach our web server's default page saying: It Works! This is the default web page for this server. But we can't reach the virtual hosts, as if the domain name is not being preserved when the router forward the packets to the web server. Am I doing something wrong? How can I check what is going on? What should be the settings to make this work from outside?

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• How to setup apache to catch a proxy_pass from nginx?

  - by Paté

  I have a working apache vhost such as <VirtualHost localhost:10006> DocumentRoot "/home/pate/***/git/kohana_site/public/site/" </VirtualHost> <VirtualHost *:10006> ServerName api.* DocumentRoot "/home/pate/***/git/kohana_site/public/api/" LogLevel debug </VirtualHost> If i point to localhost:10006 I get my website and api.localhost:10006 I get my api. Then I have haproxy setup on top of that, that runs on port 10010 and both localhost:10010 and api.localhost:10010 have the expected behaviour. Now I have nginx setup on port 80 with this configuration. server { listen 10000; server_name api.*; location / { proxy_pass http://legacy_server; } } server { listen 10000 default; server_name _; location /nginx_status { stub_status on; access_log off; } # images are accessed via the CDN over HTTP (not https) location /n/image { proxy_pass http://image_caching_server; } location / { return 301 https://$host:10014$request_uri; } } upstream legacy_server { server localhost:10010 fail_timeout=0; } the problem is that apache does not recognize the vhost properly and redirects api.localhost to the website instead of the api. I tried playing with set_proxy_header Host $host but it doesn't seem to do anything.

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• Isolating a computer in the network

  - by Karma Soone

  I've got a small network and want to isolate one of the computers from the whole network. My Network: <----> Trusted PC 1 ADSL Router --> Netgear dg834g <----> Trusted PC 2 <----> Untrusted PC I want to isolate this untrusted PC in the network. That means the network should be secure against : * ARP Poisoning * Sniffing * Untrusted PC should not see / reach any other computers within the network but can go out the internet. Static DHCP and switch usage solves the problem of sniffing/ARP poisoning. I can enable IPSec between computers but the real problem is sniffing the traffic between the router and one of the trusted computers. Against getting a new IP address (second IP address from the same computer) I need a firewall with port security (I think) or I don't think my ADSL router supports that. To summarise I'm looking for a hardware firewall/router which can isolate one port from the rest of the network. Could you recommend such a hardware or can I easily accomplish that with my current network?

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• Plesk FTP not working but SFTP and Shell is working

  - by shamittomar

  I am facing a strange problem. The FTP on my Plesk VPS is not working. Whenever I try to connect, FileZilla FTP client says: Status: Resolving address of xxxxxxxxxxxxx.com Status: Connecting to xxx.xxx.xxx.xxx:21... Status: Connection established, waiting for welcome message... Error: Could not connect to server So, it's not even going to the step of asking username/password. So, it's something else. The SFTP on port 22 is working fine. Also, I can successfully do shell access and run commands. But, I NEED FTP access too on port 21. I have searched everywhere but can not find any setting to enable it. This is the Plesk version info: Parallels Plesk Panel version 9.5.2 Operating system Linux 2.6.26.8-57.fc8 CPU GenuineIntel, Intel(R) Pentium(R) 4 CPU 3.00GHz Any help is appreciated. [EDIT]: The firewall is not blocking it. I have checked it on server and there are absolutely no blocking rule. Firewall states: All incoming/outgoing connections are accepted on FTP And on client-side (my PC), I can connect to other FTP servers so this is not an issue in my PC's firewall. Moreover, I can not even connect to the FTP from online FTP clients like net2ftp.

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• System and Router configuration for setting up a home firewall based on Zentyal

  - by Ako

  I am not much of a system administrator, so please be patient if this looks too simple for you. I have a several computers at home, and all of them connect using an ADSL modem/router (and Wireless AP). I have been attacked several times (mainly from Russia and Ukraine), so I thought I should have some kind of firewall, besides the ESET firewall on my Windows 7. So now I have these (new) configuration: I have a small ADSL modem (Zyxel brand) which has only one Ethernet port. This modem is used to connect to internet and is configured in NAT mode. The interface has is configured with IP address 192.168.1.1. I have an old PC and I have installed zentyal on it. It has two Ethernet ports, eth0 and eth1. Eth0 is connected to the Zyxel modem with IP 192.168.1.2 and is checked as the WAN interface (external). I have another ADSL modem which is also a router with 4 Ethernet ports and Wireless AP. One of the Ethernet ports is connected to eth1 on Zentyal box. The Ethernet port's IP is 192.168.2.1 and Zentyal's eth1 is 192.168.2.2. Now, I want to enable other computers to connect to internet through the router both using Wireless and Ethernet. The problem is that I don't know how to configure the router so it routes connections to the Zentyal box. Does anyone have any clue? Again I am sorry if this looks stupid. Thanks.

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• Apache mod_proxy

  - by mhouston100

  Uggh, I'm spewing that I can't figure this out, I'm so frustrated: <VirtualHost *:80> servername domain1.com.au ServerAdmin webmaster@localhost DocumentRoot /var/www/html ErrorLog ${APACHE_LOG_DIR}/error.log CustomLog ${APACHE_LOG_DIR}/access.log combined <Proxy *> Order Allow,Deny Allow from all </Proxy> RewriteEngine on ReWriteCond %{SERVER_PORT} !^443$ RewriteRule ^/(.*) https://%{HTTP_HOST}/$1 [NC,R,L] </VirtualHost> <VirtualHost *:443> servername domain1.com.au SSLEngine on SSLCertificateFile /etc/apache2/ssl/owncloud.pem SSLCertificateKeyFile /etc/apache2/ssl/owncloud.key DocumentRoot /var/www/html </VirtualHost> <VirtualHost *:*> Servername domain2.com.au ProxyRequests Off <Proxy *> Order deny,allow Allow from all </Proxy> ProxyPass / https://192.168.1.12/ ProxyPassReverse / https://192.168.1.12/ </VirtualHost> Not sure if it's clear what I'm trying to do, but I've read and read and READ, I still can't figure it out. Basically I have a working Apache server with a rewrite to force HTTPS, as seen in the first two VirtualHost entries. I now have a webmail service I set up on another server, under another domain name, however I only have one incoming public IP address. So I'm trying to have any incoming requests for the second domain to be proxied to the other server to access the webmail, whether its port 80 or 443. IMAP and POP3 are no problems, I can just forward the ports directly to the correct server. The results of the above configuration is that requests to domain2.com.au (port 80 or 443) are forwarded to https://domain1.com.au. Am I headed in the right direction?

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• Ubuntu and Windows and Separate HDs, oh my!

  - by LuxuryMode

  Need some major help. Running a Dell XPS/Dimension 630i. It came with "SATA 2 RAID 0 With Dual 500GB Hard Drives." I have installed a new, third non-raided drive and installed Ubuntu on it. So now I have Windows on the original hard drive and Ubuntu Linux on the new HD. When I get to the boot menu where I can select an OS, if I select windows I get an error: "No such drive, no such disk." Also, strangely in the first place, in order to even get to the bootloader menu I have had to disable ALL ports under the RAID config. Unless I do this, I will just get to a never-ending blinking cursor. I have tried every conceivable CMOS config and nothing else works. Tried setting port 3 (the new HD w/ Ubuntu) to first hard disk boot priority. Tried disabling all other ports and enabling the Ubuntu HD port and vice versa. Here's a pic of the error I get when I try to boot to Windows: http://imgur.com/TJ1mS. Also, please note that I can actually access all files from the raided Windows drive through Ubuntu. (Someone suggested just reinstalling windows from installation CD. Agree?)

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• Wireless Access Point stopped working

  - by Alex Pritchard

  I have a simple LAN set up at home using a Linksys WRT54GSV4 as my primary router and an Encore ENHWI-2AN3 as an access point. I connect the Encore to the Linksys by running a cable from one of the Linksys LAN ports into the Encore WAN input. I originally configured this using the Encore setup wizard, setting the device up in AP Router Mode. It detected the input network and worked about as expected, creating a second network that used my primary network to connect to the internet. It worked fine for about 2 weeks, then abruptly cut out today. I checked to make sure the network was still live through the cable going into the Encore (provides internet when connected to a laptop directly) and that devices are still able to connect to the network being broadcast by the Encore. When I try to rerun the connection wizard on the Encore, I receive the message "No Services found in WAN port." The WAN Settings is no longer retrieving a dynamic ip from the line. I tried providing a static IP, assigning an IP address within the subnet range of my primary router that wasn't being used and pointing the Default Gateway to the Linksys IP, but this did not work either. When I plug the cable into the WAN port, an internet light comes on that is not lit when a live network is not connected. I've tried doing a hard reset on the Encore (held down the rest button until the lights flashed, reconfigured from scratch), but the WAN settings are still not detected. Also tried powering off and on the modem, linksys, and encore. Any suggestions would be appreciated!

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• Vagrant VM Fails to Boot

  - by Rob Wilkerson

  I have a Vagrant environment that requires me to forward port 80 so I bring it up under sudo on an OS X machine. This has always been fine until I recently upgraded to Vagrant 1.2.2. Now it fails to boot. [default] Waiting for VM to boot. This can take a few minutes. [default] Failed to connect to VM! Failed to connect to VM via SSH. Please verify the VM successfully booted by looking at the VirtualBox GUI. Because I'm running under sudo, the machine never gets added to the Virtualbox GUI, but that's always been the case for this environment. I don't get any indication that there was a problem with the additions -- a potential source of this error, from what I've read. I can bring things up just fine if I change to using port 8080 on the host machine. I can't use the app, but the VM itself loads up and provisions nicely. As far as I can tell, the only thing that's changed is: I upgraded my Vagrant version I updated the project's Vagrantfile to use v2 syntax. Anyone have any idea what I might be missing? I thought I'd be able to find this pretty easily, but it's quickly becoming a very real problem.

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• nginx proxying different servers for different subdomains

  - by The.Anti.9

  i just set up an nginx server. On the same computer as nginx, I have apache running on port 8000 (this was previously set up.) and I want no subdomain and the www. subdomain to go to the local apache instance. But i want the stuff. subdomain to link to my server where i keep all my miscellaneous files (pictures, documents, etc.), which is also listening on port 80 at the ip 192.168.1.102. I tried configuring it, but when i go to my domain, I just get the "Welcome to nginx!". Here's what I have: user www-data; worker_processes 1; error_log /var/log/nginx/error.log; pid /var/run/nginx.pid; events { worker_connections 1024; } http { include /etc/nginx/mime.types; default_type application/octet-stream; sendfile on; #tcp_nopush on; #keepalive_timeout 0; keepalive_timeout 65; tcp_nodelay on; gzip on; include /etc/nginx/conf.d/*.conf; server { listen 80; server_name theanti9.com www.theanti9.com; access_log /var/log/nginx/access.log; location / { proxy_pass http://localhost:8000; } } server { listen 80; server_name stuff.theanti9.com; access_log /var/log/nginx/access.log; location / { proxy_pass http://192.168.1.102:80; } } } I'm not really sure what's wrong. Any suggestions?

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• Fortigate restrict traffic through one external IP

  - by Tom O'Connor

  I've got a fortigate 400A at a client's site. They've got a /26 from British Telecom, and we're using 4 of those IPs as a NAT Pool. Is there a way to say that traffic from 172.18.4.40-45 can only ever come out of (and hence go back into) x.x.x.140 as the external IP? We're having some problems with SIP which looks like it's coming out of one, and trying to go back into another. I tried enabling asymmetric routing, didn't work. I tried setting a VIP, but even when I did that, it didn't appear to do anything. Any ideas? I can probably post some firewall snippets if need be.. Tell me what you want to see. SIP ALG config system settings set sip-helper disable set sip-nat-trace disable set sip-tcp-port 5061 set sip-udp-port 5061 set multicast-forward enable end Interesting Sidenote VoIP phones, with no special configuration can register fine to proxy.sipgate.co.uk, which has an IP address of 217.10.79.16. Which is cool. Two phones are using a different provider, whose proxy IP address is 178.255.x.x. These phones can register for outbound, but inbound INVITEs never make it to the phone. Is it possible that the Fortigate is having trouble with 178.255.x.x as it's got a 255 in it? Or am I just imagining things?

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• Help with Ubuntu and Windows, separate HDs

  - by LuxuryMode

  Need some major help. Running a Dell XPS/Dimension 630i. It came with "SATA 2 RAID 0 With Dual 500GB Hard Drives." I have installed a new, third non-raided drive and installed Ubuntu on it. So now I have Windows on the original hard drive and Ubuntu Linux on the new HD. When I get to the boot menu where I can select an OS, if I select windows I get an error: "No such drive, no such disk." Also, strangely in the first place, in order to even get to the bootloader menu I have had to disable ALL ports under the RAID config. Unless I do this, I will just get to a never-ending blinking cursor. I have tried every conceivable CMOS config and nothing else works. Tried setting port 3 (the new HD w/ Ubuntu) to first hard disk boot priority. Tried disabling all other ports and enabling the Ubuntu HD port and vice versa. I have some pictures of boot up: first one is strange error i get after messing with CMOS to finally get ubuntu install to work. http://imgur.com/5sqJa then boot menu: http://imgur.com/TWtLq then error: http://imgur.com/TJ1mS. Also, please note that I can actually access all files from the raided Windows drive through Ubuntu.

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• Apache mod_proxy, how to forward request into local network ip(server)

  - by Beck

  Can't figure out, how to configure mod_proxy for this. I have two domains, one is working fine at the moment. Second is bind to the same ip. I need to forward requests from second domain to another server in local network. like that: domain1.com => 192.168.1.101 domain2.com => 192.168.1.102 What configuration or directives i should use? Thanks ;) Update <VirtualHost *:80> ServerName www.domain2.com ProxyRequests Off ProxyPreserveHost On <Proxy *> Order deny,allow Allow from all </Proxy> ProxyPass / http://192.168.1.103:8080/ ProxyPassReverse / http://192.168.1.103:8080/ </VirtualHost> It just doesn't redirect to second server. That's it. And when i restart apache, it says something with overlapping 80 port. [warn] _default_ VirtualHost overlap on port 80, the first has precedence

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• Why Would one VLAN have no Communication on one Switch?

  - by Webs

  So the problem is we have a device or host that needs to communicate on a specific VLAN. This VLAN is not new, it is running all throughout our environment and works fine. But the VLAN was recently configured on the switch in question, a Cisco 3750. The DHCP server is handing out addresses on that VLAN with no problem. I have verified the cable between the host and switch and tried multiple hosts, but none of them can communicate or get an address. I plugged my laptop into an empty port which had a different VLAN assigned and immediately got a DHCP address. When I changed that port to the same VLAN I'm having issues with I got the same problem. The laptop just sits there and tries to DHCP an address but nothing happens. I double checked the cores and their Layer 3 VLAN config and its fine too. Plus I figured the issue couldn't be with them because the VLAN works fine everywhere else it exists. So the only other thing I can think of is the switch, but the VLAN exists on the switch and seems to be configured correctly. The trunks appear to be configured just fine as well too. Anyone have any ideas? I'm lost on this one.

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• Terratec Cinergy Hybrid T USB XS is not recognized anymore on Mac OS X

  - by Gabble

  I have used Terratec Cinergy Hybrid T USB XS for years now, alongside with Elgato EyeTV software. I am a happy and completely satisfied user! Since a couple of weeks the USB sitck stopped working on my MacPro1,1 (OS version 10.6.3): EyeTV does not see any device attached, and actually, the green led on the stick stays off. It is not a USB port fault: I have unplugged any other USB/Firewire device and tried with different USB ports, to no avail (any other USB devices work as expected on any port) I have completely uninstalled EyeTV software, including preferences and system daemons/extensions, rebooted and reinstalled the latest EyeTV. No way. Reset the PRAM. Nope. Checked the Apple System Profiler - USB: No device attached, The MacPro does not see it at all. I need to say that: a) The device worked as a charm even with the latest OS 10.6.x (so it's not a OS upgrade cause). b) I have plugged the Terratec Cinergy Hybrid T USB XS to my MacBook5,1 where EyeTV is not installed and was never installed: The green led on the stick turns on, the growl bubble pops up, and the device is perfectly recognized by the system. Apple System Profiler says (sorry, Italian language): Cinergy Hybrid T USB XS (2882): ID prodotto: 0x005e ID fornitore: 0x0ccd Versione: 1.10 Numero di serie: 061102005755 Velocità: Fino a 12 Mb/sec Produttore: TerraTec Electronic GmbH ID posizione: 0x04100000 Corrente disponibile (mA): 500 Corrente necessaria (mA): 500 At this point I am pretty sure the Terratec stick is not damaged and there is something wrong with my MacPro. I kindly ask you: Is there a way to force my MacPro recognize the USB device? What can I check? Is there something that caches USB connection that can be reset? A OS reinstall would be the very last resort for me. Thanks in advance for any help you will offer!

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• Adjust iptables

  - by madunix

  cat /etc/sysconfig/iptables: # Firewall configuration written by system-config-securitylevel # Manual customization of this file is not recommended. *filter :INPUT ACCEPT [0:0] :FORWARD ACCEPT [0:0] :OUTPUT ACCEPT [0:0] :RH-Firewall-1-INPUT - [0:0] -A INPUT -j RH-Firewall-1-INPUT -A FORWARD -j RH-Firewall-1-INPUT -A RH-Firewall-1-INPUT -i lo -j ACCEPT -A RH-Firewall-1-INPUT -p icmp --icmp-type any -j ACCEPT -A RH-Firewall-1-INPUT -p 50 -j ACCEPT -A RH-Firewall-1-INPUT -p 51 -j ACCEPT -A RH-Firewall-1-INPUT -p udp --dport 5353 -d X.0.0.Y -j ACCEPT -A RH-Firewall-1-INPUT -p udp -m udp --dport 631 -j ACCEPT -A RH-Firewall-1-INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 443 -j ACCEPT -A RH-Firewall-1-INPUT -p tcp -m tcp -s X.Y.Z.W --dport 3306 -j ACCEPT -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp -s M.M.M.M --dport 3306 -j ACCEPT -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 22 -j ACCEPT -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 80 -j ACCEPT -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 21 -j ACCEPT -A RH-Firewall-1-INPUT -j REJECT --reject-with icmp-host-prohibited COMMIT I have the above following IPtables on my linux web server(Apache/MySQL), I want to have the following: Block any traffic from multiple IP's to my web server IP1:1.2.3.4.5, IP2:6.7.8.9 ..etc Limiting one host to 20 connections to 80 port, which should not affect non-malicious user, but would render slowloris unusable from one host. Limit MYSQL port 3306 access on my server only to the following IP range A.B.C.D/255.255.255.240 Block any ICMP traffic.

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• Gigabyte H55N-USB3: No video on HDMI

  - by newt

  I built a new PC with a Gigabyte H55N-USB3 / Intel Core i5 650. With a monitor plugged in the DVI port, everything works fine. I installed Windows 7 32-bit and enabled remote desktop connection. After that, I unplugged the monitor, plugged it into network and installed everything else (drivers, programs, etc) via RDP. However, when I try to use the HDMI port on my TV nothing appears. Neither during the boot, neither after Windows starts. The TV says there's "no signal" (if I remove the cable the message changes to "check cable"). The cable is new, and it is working fine with my home theater on same TV (by the way, it is the cable which came bundled with the home theater). Video driver is the latest from Intel site. Anyway, this shouldn't be the problem since there is no image during the boot. Any ideas or tips would be welcome. I'm googling around but found nothing useful, yet.

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• Cannot make bind9 forward DNS query to subdomain unless recursive enabled

  - by PP.

  I am trying to develop my own dynamic DNS. I'm running my own custom DNS for the subdomain on port 5353. ASCII diagram: INET --->:53 Bind 9 --->:5353 node.js | V zone_files I have example.com. The node.js DNS is for dyn.example.com. In my /etc/bind/named.conf.local I have: zone "example.com" { type master; file "/etc/bind/db.com.example"; allow-transfer { zonetxfrsafe; }; }; zone "dyn.example.com" IN { # DYNAMIC type forward; forwarders { 127.0.0.1 port 5353; }; forward only; }; I've even gone so far as to add a NS in my example.com zone file: $TTL 86400 @ IN SOA ns.example.com. hostmaster.example.com. ( 2013070104 ; Serial 7200 ; Refresh 1200 ; Retry 2419200 ; Expire 86400 ) ; Negative Cache TTL ; NS ns ; inet of our nameserver ns A 1.2.3.4 ; NS record for subdomain dyn NS ns When I attempt to get a record from the subdomain server it doesn't get forwarded: dig @127.0.0.1 test.dyn.example.com However if I turn recursive on in /etc/bind/named.conf.options: options { recursion yes; } .. then I CAN see the request going to the subdomain server. But I don't want recursion yes; in my Bind configuration as it is poor security practice (and allows all-and-sundry requests that are not related to my managed zones). How does one forward (proxy) zone queries for just one zone? Or do I give up on Bind altogether and find a DNS server that can actually forward specific queries?

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• What differences are there between "home" switches and "professional" switches?

  - by pjreddie

  Our radio station uses a PtP wireless system to stream our radio and TV signals from our studio up a hill to our transmitter. We have been having problems with warbly sound and drop outs that come from some point in this system. An engineer that occasionally visits the station thinks it could be the switches we use on each side of the PtP wireless system to connect the PtP devices to the encoders and decoders and wants us to get two of these switches: http://www.amazon.com/Netgear-JGS516-ProSafe-16-Port-Ethernet/dp/B0002CWPOK/ref=dp_return_1 The encoder/decoder setup only streams 8Mbps total so it seems like the switches we have should not be stressed out, unless they are causing sufficient latency to degrade the performance of the encoder/decoder. At each end of the connection we only have 4 connections, is there any reason we couldn't get a cheaper, "home" quality switch like this: http://www.amazon.com/D-Link-DGS-1005G-5-Port-Gigabit-Desktop/dp/tech-data/B003X7TRWE/ref=de_a_smtd Is there a significant difference that we would notice in terms of latency between these two switches? How much does the quality of the switch actually matter in this scenario? Any help is appreciated, feel free to ask questions if anything needs clarification. Thanks

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