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0
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2answers
39 views

Cisco 887VA - Cannot open port 110

I am trying to configure a Cisco 887VA at work to open port 110, but no matter what I try, it doesn't seem to work. The router is accessed from within the building via a web UI but require CLI ...
-2
votes
0answers
19 views

Forward different domain to different internal server

I am a computer science student, and is there any way to forward different domain to different internal server? I have a windows server 2012 and running several servers inside it via hyper-v, is it ...
0
votes
1answer
24 views

SSH forwarding by username [duplicate]

I want to make available a pool of dev machines to a pool of developers, where each developer should only access its own dev machine. Dev machines are on a private network, behind a NAT, whereas ...
-1
votes
1answer
18 views

Email forwarding?

I am not sure if this is possible, but please bare with me. I had a quick look around this morning, but as I wasn't sure what this was called or how to describe it thought it was best asking. We ...
0
votes
1answer
18 views

block forward traffic targetting another network

I'm learning about a bit more about firewalld and I've been able to create an unsafe network to where I can connect from my internal network, but now, I'm stuck trying to prevent the unsafe network ...
0
votes
1answer
38 views

Postfix as email forwarder to gmail, SPF problems

I'm trying to configure postfix as forwader to gmail. I've successfully onfigured the virtual aliases for the domains I'm hosting and that I want to redirect, but the Gmail SPF verification is failing ...
0
votes
0answers
23 views

Debian forward through NAT EOIP GRE

eth0 = WAN eth1 = LAN to forward any port through nat I use e.g: iptables -t nat -A PREROUTING -p tcp -d 79.188.31.34 --dport 8291 -j DNAT --to-destination 192.168.0.36:8291 and it works, but ...
0
votes
2answers
143 views

Https url appended with port 80 using CloudFlare, Nginx, and Thin

I have a Nginx setup for my Thin server running a Ruby on Rails project. Nginx is currently the endpoint for my SSL. I recently had some issues with attacks on my webserver, so I decided to add ...
0
votes
0answers
39 views

Setting up a firewall to route between interfaces on a gateway

I've been trying to setup a firewall on my debian gateway with iptables. The gateway is connected to a a network 12.120.0.0/24 on eth0 behind a NAT and the subnetwork behind it is 12.120.4.0/24 eth1. ...
0
votes
0answers
15 views

How to set up an VPN Server which directs a connected users browser requests to one specific domain to another IP address?

I'm about to create a testing environment for my clients, which have to access certain web addresses. What I want to achieve is the following: - A client connects to the VPN server - He opens a ...
0
votes
0answers
31 views

NAT with port forwarding on same interface

I have some issues with the port forwarding on same interface. I have server1 with the public IP 5.1.1.1 and one company publish a MySQL database with IP 10.1.1.1 through VPN reached only by server1. ...
0
votes
1answer
69 views

DNS Conditional forwarder returns NETBIOS instead of FQDN

Strange DNS problem for which I hope you can help. Active Directory with NETBIOS name "Shortdomain" and as FQDN "verylongdomainname.lan". Domain controller DC01 behind firewall. IP: x.x.x.1 Customer ...
-1
votes
1answer
43 views

private network with single IP multiple servers [closed]

I am trying to set up a subnet in our company. We got several (10+) Linux servers for computing but we can only get 1 static IP (company policy, 10.x.x.x address). So the idea is to place a routing ...
2
votes
1answer
115 views

Resolve root domain to IP, forward all other sub domains to public DNS

This is my zones file zone "domain.com"{ type master; file "/etc/bind/db.override"; }; zone "cpanel.domain.com"{ type forward; forwarders { 8.8.8.8;8.8.4.4; }; ...
1
vote
1answer
32 views

How to forward requests received with a specific Header OR from a specific IP address with a LAMP stack

We have a Symfony2 application which is in heavy development and have just signed our first production client. We want to temporarily put this client on another cluster that is stable while we ...
2
votes
1answer
509 views

e1000e Reset adapter unexpectedly / Detected Hardware Unit Hang

I have a Dell 1U Server with Intel(R) Xeon(R) CPU L5420 @ 2.50GHz, 8 cores running Ubuntu Server Kernel Version 3.13.0-32-generic on x86_64. It has dual 1000baseT networking cards. I have it set up to ...
-1
votes
1answer
24 views

send udp packets to a destination via forwarding

i have linux machine A ( 128.247.19.194, netmask 255.255.254.0) linux machine B ( 128.247.19.165 netmask 255.255.254.0) And another linux machine (128.247.19.3 netmask 255.255.254.0) There is a ...
0
votes
0answers
31 views

Routing/forwarding aren't working with quagga [partially]

I have the following design: [m1] eth1 10.10.1.1, cable m1m2 || [m1] eth2 10.10.2.1, cable m1m4 [m2] eth1 10.10.1.2, cable m1m2 || [m2] eth2 10.10.3.2, cable m2m3 [m3] eth1 10.10.3.4, ...
0
votes
1answer
173 views

iptables forward port range through OpenVPN

I have a VPN server (the "host" - 10.8.1.1) on a public VPS instance running OpenVPN. The second instance I am running (the "client" - 10.8.1.2) is a local ESXi instance connected to the host vpn ...
0
votes
1answer
247 views

Port forward remote desktop without a gateway over 3G modem router [closed]

I'm trying to connect from a laptop, through a VPN, and a 3G modem/router, to a remote PC / computer. PC (192.168.1.33) | 3G Modem (192.168.1.22) | [3G internet, connecting to VPN] | ...
0
votes
0answers
141 views

One public IP and two web servers

We have our IBM server (internal ip: 192.168.1.128) connected to internet via router (192.168.1.1). I have forwarded the following port: Port 80: internal IP 192.168.1.128 for incoming HTTP ...
0
votes
1answer
48 views

Tunnel http requests to another server?

I have a VPS we'll call it mydomain.com Is it possible when someone goes to mydomain.com, the request is forwarded to another different server, let's say 192.168.0.5 processed by that server and then ...
0
votes
0answers
102 views

Traffic forwarding by domain on ZyWall USG 200?

I know this question is very specific, but I have not found any help yet. At our office, we run a small server room with a few servers behind a ZyWall. Unfortunately, we only have one external IP at ...
0
votes
0answers
281 views

UDP packets are not reaching iptables NAT table

I'm trying to redirect UDP incoming packets to port 4000 to another IP with iptables: iptables -t nat -A PREROUTING -p udp --dport 4000 -j DNAT --to-destination 192.168.100.20 Unfortunately they ...
3
votes
1answer
342 views

mosh-like port forwarding

This is on linux, connecting to linux servers: I love mosh, but it doesn't support port forwarding, and likely won't for a while since it's been almost a year now and it hasn't happened yet. port ...
0
votes
1answer
43 views

IP Forward at router

Is there any way to set a router to simply redirect all traffic to another wan IP address? For example, I have a static wan ip of xx.xxx.xxx.123 and I want to forward all traffic to xx.xxx.xxx.124 ...
5
votes
3answers
864 views

new DNS zone with Forward to external DNS

I have read DNS and Forward Lookup Zones but I did not fing the aswer there. I have Microsoft Domain with Active directory server , and DNS server for internal use. My local domain called ...
0
votes
1answer
170 views

Forward DNS queries of a subdomain to another port

I have some software which provides dynamic information via DNS, similar to a DNSBL. How do I run it on the same server as a BIND server that's also serving DNS requests for other domains? I just ...
0
votes
2answers
227 views

Port forwarding between 2 routers and wrong IP at the end

So here is the situation: I have adsl modem connected to 1st router "A" - local IP 192.168.2.1 I forward SSH port to 2nd router "B" - IP 192.168.1.1 On router "B" I forward SSH port to machine - ...
-5
votes
1answer
35 views

Forward downloads to a seperate physical connection [closed]

So, mothers internet connection is incredibly slow, and she lives in a very rural area and cannot have anyway of acquiring a faster connection. I on the other hand have a very fast connection, would ...
0
votes
1answer
75 views

Forward all network packets from server A to server B (WAN) Ubuntu

I currently run a game server on a VPS and will shortly be moving VPS provider. To make the migration easier on the players I would like players to be able to use the original IP for a short while by ...
0
votes
1answer
327 views

Node.js forwarding from local network to public Internet

I have a Server running node.js in my network that is not reachable via the internet (i.e., no static IP / domain). However, I have a vServer with a domain that is running node.js as well. Can I ...
0
votes
1answer
428 views

iptables forwarding through virtual interfaces

I'm trying to configure my computer as a gateway between two networks, but I cannot make it working for some reasons Here is a representation of the network: 192.168.1.101 192.168.1.102 ...
0
votes
1answer
91 views

forward a forwarded mail with postfix, based on rules

How can I get postfix to forward an incoming email to one or more different local alias(es), if the address I want the rule to be based on, is not the recipient? The address I want to act on is from a ...
3
votes
3answers
3k views

How To Properly Setup DNS Forwarders On Windows Server

I was wondering how to properly setup DNS forwarders on Windows Server 2008 R2. I have three Domain Controllers. Each of the DC's have have following: AD Role DNS Role DHCP Role Static IP Address ...
0
votes
2answers
619 views

Forward proxy user authentication does not work

I have got a simple forward proxy that needs to have user authentication and a whitelist of IP-adresses. I have created the vhost below: ProxyRequests On ProxyVia On <Proxy xx.xxx.xx.xxx:8888> ...
0
votes
1answer
49 views

Forward TCP traffic from Server A (Linux) to Server B (Windows)

I would like to forward TCP traffic from Server A which is a Linux Server to Server B which is a Windows server. Both are connected to the internet (public IP) and not in the same (local) network. I ...
1
vote
1answer
233 views

iptables forward incoming ipv4 traffic to ipv6 [closed]

I am new to iptables and I am lost and confused from its configuration. I have work server with IPv4 and IPv6 connection and the home server with only IPv6 connection. How to set up rules for ...
2
votes
2answers
2k views

Linux iptables drop traffic based on mac address

I'm doing some testing on my linux VM with one nic, I want to use it as some kind of a firewall which can block traffic of some clients based on a mac address. The client itself is having the VM as a ...
1
vote
1answer
51 views

Printer proxy between different subnets

I have a Xerox WC 7120 network printer on IP a.a.a.a/24. An eternal client application prints to that printer via a VPN tunnel. I will have to move that printer to a different subnet c.c.c.c/24. Is ...
0
votes
1answer
90 views

Forwarding a domain to another subdomain

I have 2 domains jainaditya.in (domain purchased from GoDaddy and currently parked) and techphernalia.com (domain and web hosting from one.com). I created a subdomain ajain.techphernalia.com. ...
1
vote
1answer
42 views

How to tell if an ssh session is using x forwarding (if it was run with -X or -Y)

For a given ssh session, is there a way to tell if it has x-forwarding enabled? I.e. you don't know if the session was established with ssh username@address or with ssh -X username@address.
0
votes
2answers
38 views

Forwarding all connections to different address

I have a script that tries to connect to rabbitmq using default url and port (localhost:5672). Is it possible to make linux redirect all connections to this url and port to different server? I am ...
1
vote
1answer
81 views

postfix virtual aliasing between two domains hosted on the same mailserver

The situation: I have two domains: domain.pl and domain.com. I configured two emails tom@domain.pl and jerry@domain.com. I also have SSL certificate valid only on ssl.domain.com. The problem: I want ...
1
vote
0answers
197 views

Woes with named/bind and forwarding zones

I'm sadly restricted to a very old version of bind (9.4.2) This is the think. If I setup bind with a named.conf and only forwarding it works perfect. acl clients { any ; }; options { ...
0
votes
1answer
134 views

How to apply port forwarding with iptables on existing connections?

For load balancing purposes, occasionally our servers forward requests to a different port; The default port for our service is port 5000. This is the code used: iptables -t nat -A PREROUTING -p tcp ...
-1
votes
1answer
47 views

How to forward vnc for multiple hops [closed]

I have 2 machines Intrim and Remote. I have to go through Intrim to get to Remote. Normally I just do this: ssh -X Intrim #now I'm in Intrim ssh -X Remote And I just open up things with the ...
-1
votes
1answer
121 views

Forwarding incoming ssh connections to virtual machine based on LDAP group

My Question is as follows: How can I forward all incoming SSH (Port 22) traffic (except one account) to a VM which is running on this server? The Server is based on Proxmox VE 3.1 The VM is Debian 7 ...
0
votes
1answer
60 views

Forward wildcard e-mail address to a single e-mail address?

I am running a .com domain, like www.mydomain.com. I have the support address at support@mydomain.com, but my clients usually send e-mails to the support staff emails (e.g. johndoe@mydomain.com) and ...
0
votes
1answer
2k views

Transparent Ethernet over GRE not forwarding traffic

I am running on Linux 2.6.30.9 and have been trying to setup a transparent ethernet over GRE tunnel. The network topology used is as follows: I want to bridge PC1 and PC2 using Transparent Ethernet ...