Ubuntu Networking :: NoIP Not Redirect IP After Host Added In EHCP?
Apr 10, 2010
I have a dell desktop PC that runs with ubuntu 9.04 jaunty jackalope and has 2 network cards eth0 that is connected to internet with an pppoe connection and is shared on eth1 for the other pc that is with windows on the ubuntu server machine is installed EHCP controls panel and No-IP, No-IP works fine but if I add a host as a domain in EHCP where I want to add EHCP {itself, problem appears. No-IP does not redirect to my IP after I added host in EHCP. EHCP is set to have the original IP of my pppoe and I tried with the 127.0.0.1 IP and the problem is still there.
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Jul 14, 2009
Have done a bit of Googling around this but got totally swamped so will try here. Basically we are running a CentOS server which hosts a number of virtual hosts under Apache. Recently I needed to set up a development environment for another site using Ubuntu and have this running and accessible on the LAN from a VMWare image. I'm using bridged networking so the VMWare machine has its own IP on the LAN subnet.
I've set up a DNS to point to the external IP of the physical host but can't figure out how to route traffic requested on this domain to the VMWare host. I've basically tried two approaches (configuring a proxy web server and reverse proxy in an httpd.conf file and mucking around with iptables forwarding rules but without success.
Ideally I'd like somesite.somewhere.com to point to the VMWare IP but I could live with a custom port on the end if thats whats required.
To throw further complication into the mix I need reliable communication between the VMWare machine and external mail relay servers in order to debug any issues with mail bouncebacks, embargos etc.
Any idea what's the easiest way to accomplish this?
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Feb 23, 2010
I've recently installed noip2 which installed fine. Except when I try connect to my noip domain it sends me to my router login page and won't let me access my ubuntu box. How can I set my noip domain so when I connect, it will allow me to access SSH, sabnzbd, etc., instead of forwarding me to the router login page. I'm sensing that I may have to set the ubuntu box to a static ip and forward the various ports of SSH, sabnzbd, etc to it. Would this be correct?
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Sep 21, 2010
What does these messages in PING mean?
Code:
PING 192.25.141.248 (192.25.141.248) 56(84) bytes of data.
From 192.25.141.229: icmp_seq=1 Redirect Host(New nexthop: 192.25.141.248)
[code]....
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Jul 16, 2010
I am using Webmin to access a database. I finally acquired a static IP address. After entering it into the allowed host for the PostgreSQL server, I still can't access it through the SQL Manager for postgres in Windows. It doesn't seem to actually make the change. I am the new person managing this database. The old person use to be able to just add an IP address and it would connect. Is there something I am missing that I may need to install?
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Jun 4, 2010
My goal is a testing server with an apache virtual host for each site that I'm working on, with fairly painless setup for each new job.For example, I want http://site-a.mydomain to server this document root /home/client-a/site-a/public_html (or something to that effect)Ideally, DNS will use a wildcard to point http://anything-i-type.mydomain to the testing server, and apache will have a dynamic virtual host definition that will do a little magic so that I won't have to mess with DNS records or add a new virtual host each time I add a new site for a client. I'll worry about that when I get there, just put that out there in case anyone has any tips! for now I just have one little problem that's hurting my mood-
It looks like I've got my DNS server working just fine, so yay there- BUT my first attempt at adding a virtual host isn't working quite how I expected- meaning that site-a.mydomain now serves up the correct document root, but when you put http://site-a.mydomain into the browser's address bar, the address bar is then updated to http://10.0.1.100/site-a/public_html - bogus!! I must be missing an option like "FunnyBusiness Off" -
root@ubuntuvm:/etc/apache2/sites-available# vim client-a.mydomain
<VirtualHost *:80>
UseCanonicalName Off
ServerName site-a.mydomain
DocumentRoot /home/client-a/site-a/public_html
</VirtualHost>2
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Sep 17, 2009
way to redirect the audit daemon message to a remote host I checked the auditd.conf and it's man page and find that the log location is specified by the line log_file = file_path and in the man page
Quote:
"log_file: This keyword specifies the full path name to the log file where audit records will be stored. It must be a regular file."
does this mean that the auditd does not have the function to redirect the logs to a remote hosts.
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Jul 1, 2009
I've created a virtual host and when I try to access it it displays the root of the Default Server. Running Fedora 11. This works fine in our Fedora 8, same configuration.
192.168.0.200
Default server is set to
Listen 80
virtual server
[Code]....
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Apr 25, 2010
I am trying to set up a webserver using Ubuntu server with the EHCP plugin. I have it working and can access the EHCP page by using the IP address on my local network (192.168.0.4) So far so good. I then set uo a domain using the Domain add new(custom)from the sidebar. I provided the following info:
domainname - learner
Panel - me
Panel password - me2
Ftp user - DACL
ftp password cullompton
Great I have now got a folder structure including httpdocs for that domain, I can also use filezilla to upload webpages etc to that folder, and have uploaded a page called index.htm One problem remains - what address do I type into the web browser to see the webpage. I've tried 192.168.0.4/learner which is what I expected to work.this will only ever be used as a web server on a local network, never on the WAN.
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Mar 4, 2010
I am working on a cluster for a molecular dynamics class and I have to edit my FORTRAN code (only the newest and best for me!). In order to get through to the cluster I have to ssh in. The network on which the cluster resides is behind a firewall, so I have to ssh through the firewall into the network first.
this is fine, I can login and move files and folders as needed, including sftp-ing into host 1, then into the cluster so I can transfer files from cluster to host and then host to me. This gets rather tiresome, so it would be nice to edit the files in place.
The problem is that when I access my code with emacs it launches the emacs client on Host 1, with no mouse support. I know the purists will howl about how I should be using keyboard shortcuts, but I am a chemist and not a programmer, so the mouse is very nice for me. Is there any way I can perhaps mount the cluster using sshfs so that when I open my code it launches a local instance of emacs? Sorry if this is the wrong forum, but I thought it was network related.
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Oct 12, 2010
I got a bunch of machines (~10) that I share with my co-workers. I have appropriate .ssh file(s) set up so I don't get prompt for password when I try to ssh.Currently I ssh into these hosts and then do a top to check the load before I start using the machine. Because I don't want to be on a busy host.Can someone show me how to write a script that find a least-busy host given a list of hosts to check? (hardcoded is fine)
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May 19, 2010
So here's the setup:
Ubuntu 10.04 host inbound port 22 open
FreeBSD 8.0 host no inbound ports open
Both hosts are running sshd currently. What would you do for the Ubuntu host to be able to ssh to the FreeBSD host? A tunnel?
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Jan 27, 2009
The internal network is behind nat done by the PC Router.The TP Link is recieving wireless signal from outdoors and it has switching and basic routing capabilities. I'm using the PC router for better routing options.PC Router (or R for short) is a triple-booting machine - Linux, FreeBSD and Windows. It has two lan cards - external (ext_if) - 100Mbps Realtek 8139 and internal (int_if) - 1Gbps integrated Realtek 8169.The problem is that all traffic from R to the network is slow - about 5-20K, while the traffic in the oppoiste direction is all right - about 10MB that is fine for 100Mbps cables, NICs and switches. The problem persist no matter the OS the pc R is running.I've tried some debugging on the situation as follows:
- put another PC at the place of R - everything is fine. That exclude the possibility of damaged cables, RJ-45s, switches and etc.
- connected both of the NICs to the Internet while the internal network is being disconnected and they both work fine (no delays)
- traffic shaping is not running
- there is nothing in firewalls except NATing the internal network (and it is working fine). Actually these firewall rules have been operational for more than months and everything was fine untill a week or two ago.
- changed the internal NIC with another
- connected the internal network directly to the TP and all of the PCs are getting good network performance. Then connected the R machine to the TP as well and there was good performance between the internal network PCs and R.
- R has good performance to the TP. In fact everything has good performance directly to the TP (when not connecting trough R).
- the problem persist only between R and machines from the internal network.
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Apr 16, 2010
I added RAM to my Acer (dual boot Windows XP / Ubuntu 9.1). Windows continues to work. Ubunty will no longer recognize the internet connection. I don't know if adding the memory is what did it, but I am puzzled why I can use the ethernet card from Windows but no longer from Ubuntu.
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Feb 7, 2010
I added the following lines to my /etc/rc.local file:
Code:
ifconfig lo:0 10.10.10.1 netmask 255.255.255.0
ifconfig lo:1 10.10.10.2 netmask 255.255.255.0
[code]....
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May 19, 2011
Whenever I add a rule to iptables, all of the policy counters reset. The counters for each individual rule remain intact, however, the main counter resets. Here's what I mean:
Code:
[root] ~ # iptables -vL
Chain INPUT (policy ACCEPT 65M packets, 83G bytes)
pkts bytes target prot opt in out source destination
Chain FORWARD (policy ACCEPT 0 packets, 0 bytes)
pkts bytes target prot opt in out source destination
Chain OUTPUT (policy ACCEPT 50M packets, 30G bytes)
pkts bytes target prot opt in out source destination .....
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Mar 5, 2010
I have configured a VPN connection to a remote router which connects ok. I can ping the remote router IP, but cannot ping any other IP on their network.I have put this down to needing a route added. I can manually type # route add -net 192.168.1.0 netmask 255.255. 255.0 dev ppp0 and all works like I want it to, but I really need this to be automatic everytime the connection starts.I have tried following URL... but cant get it to work. The file is called /etc/ppp/ip-up.d/routing and has execution priviledges (755) so ive hit a dead end.
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Jun 4, 2010
I have RHEL 5.x and 8 NIC inside:
Code:
eth0: on-bord
eth1: on-bord
[code]....
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Dec 2, 2010
is it possible to join a Fedora box to a Windows Domain. Will the box be automatically added in DNS?How do I configure Fedora afterwards so I can login with a domain user on the box?
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Mar 4, 2010
I use Centos 5.4, squid 2.6 stable21
I want to redirect only one url to another in a simpliest way.
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Mar 9, 2011
I am trying to grep multiple numbers from file, grep does have the -f option for that.
Code: grep -f <`seq 500 520` /etc/passwd I know this could be done with
Code: for i in `seq 500 520`; do grep "$i" /etc/passwd; done But my question is fare more behind this example. It is possible to redirect one command output which will be treat as a content of file for another command ?
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Jul 6, 2011
is there any way to point certain packets from my outgoing traffic to a LAN : port ?
can iptables do this ? if yes how ?some like this [URL] ?
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Jul 7, 2011
My company requires a proxy server that requires a manual configuration to use. Many Ubuntu apps, however, do not respect the HTTP proxy settings.Is there anyway to modify my local firewall settings to automatically forward IP traffic to the company proxies in the same way a transparent proxy might work?Would I need to set-up my own local, transparent squid proxy which itself forwards to the company proxy?
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Feb 17, 2010
I was trying to find some free VPN service for access restricted pages. I found some working programs for win XP, but nothing works under Linux (TOR was too slow and now it is blocked). I was using program PacketiX under win, and it has also Linux version without GUI, but i was not able to make it work, because I dont know, how can I make firefox to connect through the VPN service.
I downloaded the client here [URL]
I was able to make it work with this guide [URL]
But i dont know, how to adjust routing table so I can connect to the internet through the VPN service.
ifconfig
Code:
ath0 Link encap:Ethernet HWaddr 00:05:4e:4d:c5:5f
inet addr:192.168.1.100 Bcast:192.168.1.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:576 Metric:1
[Code].....
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Jul 20, 2011
where to look for setting up my web server A so that if I have to bring it down for maintenance, all web traffic will go to my backup server B. I thought about changing DNS entry but that will take time to update.
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Apr 9, 2010
I'd like to set up an iptables configuration as follows:- Allow all traffic by default- For one user account (anonymous), block all traffic except:- All traffic on lo- All DNS requests, which should be redirected to 127.0.0.1Here's what I tried:
# Redirect
iptables -A OUTPUT -p udp -m owner --uid-owner anonymous -m udp --dport 53 -j REDIRECT --to-ports 53
[code]....
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Jul 18, 2011
I have a virtual environment, RHEL6 minimal install. On that, I am trying to run Liferay6 on Tomcat6 for the purpose of writing prototype business portals. I used the Liferay+Tomcat bundle downloaded from the Liferay website.
For security reasons, the server can only be accessed through port 80, and Tomcat listens on 8080. (I know I can run it so that it listens on another port, but I'd like it on 8080)
Goal:
Use iptables to forward traffic destined for 80 to port 8080.
What I Did:
Configure nat to forward tcp packets from 80 to 8080:
Code:
List the nat iptable:
Code:
wget to 80 doesn't work:
Code:
What I Already Checked:
Tomcat did start normally. Logs show no errors, and specify that Coyote HTTP/1.1 is initialized on http-8080. I can provide this log if need be.
Tomcat is listening on port 8080:
Code:
Code:
I get the same negative result on the VM on the server as I get on a RHEL6 VM on my laptop.
The iptables method that I described above does in fact work with Liferay6 on Tomcat6 on Ubuntu 10.10.
I have looked at this thread. I appear to have tried everything that was mentioned there.
Actual Question: I would like to know how to effectively forward 80 to 8080 on RHEL6, so that I can access Liferay on Tomcat (listening on 8080) at 80.
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Mar 24, 2010
I work for a auto dealership, and they have a proxy server that is provided by toyota that does nothing other than route traffic some specific sites they use in the dealership. We are looking to put a local proxy server in place to filter web traffic of virus/inappropriate content. What I am looking to do is set everyone's proxy settings to point to our server but when someone puts in the toyota sites it will redirect them to toyota's proxy server and out. I am not sure if this is possible or not.
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Feb 2, 2010
I have "Server A" with real internet ip 1.2.3.4 (eth0) and lan ip 192.168.1.1 (eth1) There's also "Server B" with lan ip 192.168.1.2 (eth0), I'm running an Apache Web server on "Server B", so I want to redirect all traffic from IP 1.2.3.4 port 80 (Server A) to 192.168.1.2 port 80 (Server B), using the following rule:
[Code]....
iptables -t nat -A PREROUTING -p tcp -d 1.2.3.4 --dport 80 -j DNAT --to 192.168.1.2:80 This actually works pretty good, from internet I can browse ttp://1.2.3.4 But the problem is that if I check the Apache logs, all incoming connections seems to come from 192.168.1.1 instead of showing the real source ip addresses (internet ip's) so this is screwing up all my web stats, I've been looking for hours and hours on how to make a transparent redirect, but can't find any info, I know there must be a way because my old WRT54G router which uses iptables could do it.
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Dec 15, 2009
I have a bit of a strange scenario. I have a machine with a fixed IP (192.168.0.108), running Linux. It has an external IP 99.99.99.8 via a 1:1 NAT on a Cisco ASA/router. Port 3389 (MS RDP) is open for 99.99.99.8. I want my Linux machine to listen on port 3389 and redirect all traffic to that port to a Windows machine (192.168.0.100). In this way, my Linux box is able to respond to requests on all ports, but port 99.99.99.8:3389 connects to Remote desktop on the Windows PC. I do not have access to the Cisco NAT config. I was able to get this setup to work by using an SSH tunnel.
I ran this command on the linux box:
ssh -L 3389:192.168.0.100:3389 ergosteur@192.168.0.108
Any ideas? Perhaps using iptables or something?
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