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3
votes
0answers
23 views

restrict ssh reverse portforwarding per user [duplicate]

I have a server that needs to accept incoming ssh connections with portforwarding. The incoming clients request a port forward from a port on the server to a port locally. They authenticate using a ...
0
votes
1answer
21 views

Using separated interface for virtualbox machine

I have a server connected to two network interfaces (via two different Internet services providers). The server runs Ubuntu OS. I want to use exactly one of the interfaces only for a virtualbox ...
0
votes
0answers
47 views

use VPN to prevent setting Port Fowarding in Router

Right now i have 2 branches in Asia, one is in Malaysia and another in Vietnam. unfortunately both communicate are using port 6901~6999 and port 1433, because of long distance i afraid the ...
0
votes
1answer
80 views

Unable to setup HTTP Server so that external clients can access

I am running Red Hat Enterprise Server 6. It has Apache Server (httpd) installed and running on boot by default. My document files are kept in /var/www/html/web and I can access them on my computer ...
1
vote
2answers
2k views

Change port and host using .htaccess

I am trying to use mod_rewrite to basically port forward a port on a subdomain to another port on another IP. Like this: sub.website.com:2000 --> 123.45.67.891:3000 How could this be ...
0
votes
1answer
289 views

How do I Reject all SMTP traffic except from a specified IP Block using DD-WRT?

I am running DD-WRT v24-sp2 std firmware on a Linksys WRT54GL. I have a port forward configured on port 25 to ip 10.10.10.1. What I want to do is allow this port forwarding, but only from WAN IP's in ...
0
votes
1answer
67 views

Need to know how to route non 80 port to a sub domain

I have my domain hosted in my own server. There are two applications running on my server that are accessible via example.com (IIS on port 80) and example.com:8080 (Tomcat on port 8080). Now I would ...
3
votes
2answers
317 views

What is the difference between SSH and SSH Tunneling

As the title says, I don't really understand the difference between them. For example, if I connect to a specific server through SSH without tunneling I get the same shell as I get with tunneling.
1
vote
2answers
156 views

Port forwarding, iptables apt-get not working

I'm currently setting up my server. I use proxmox which similar to vmware. Important thing to know is that i only have 1 external IP address. On my server, I forward port 80 and 443 to virtual host ...
0
votes
1answer
1k views

iptables: Internal port forwarding with fwmark and routing tables

I have 2 servers and I need to forwart to internal port. To explain I use the server with 2 interfaces (internal/external) as server A and the internal server as server B. In server A i use ...
1
vote
1answer
74 views

Ip forwarding in windows 2008

I have a server in my local LAN with a local IP and I 've deployed my web application on this server, I can see the application on local clients. For external users I have forwarded specific port in ...
2
votes
0answers
586 views

port redirection on solaris 11

I'm trying port forwarding on solaris 11. I have a mechine behind a server that use solaris 11. I try to access that mechine from the external port, and forwarded by solaris 11 mechine to that machine ...
0
votes
1answer
103 views

Blocking IP address with port forwarding

I have a website setup behind a router, so the router has the external facing address and it will forward requests to the webserver inside the network. If there are X number of invalid login attempts, ...
-1
votes
1answer
334 views

Port Forwarding port 80, results to Router's Settings [closed]

I am creating a Home Server for my Personal Use. I Port forward the Ports 80 (Webserver), 81 (Alternate for the Webserver), 443 (HTTPS), 22 (SSH). My Problem is that when I type my External IP ...
1
vote
1answer
181 views

openvpn& iptables — portforwarding and gateway

The problem is similar to this scenario: iptables rule still take effect after deleted Scenario: There are several clients(C1~C10) providing some services, such as SSH,HTTP..... The clients are ...
0
votes
1answer
110 views

iptables rule still take effect after deleted

Scenario: I built a server(S) with openvpn. And there might be several vpn clients(C1~C10) providing SSH/FTP/HTTP behind "S" Several users(U1~U10) on internet will login through 'S' to access their ...
0
votes
1answer
383 views

IPtables and Remote Desktop with Proxy

So I setup a windows 2008 web server R2 on VirtualBox. Currently using Bridged Network. I can remote desktop to the machine hosting the VM (10.0.0.183) but cannot remote desktop to the VM itself ...
0
votes
2answers
3k views

openvpn port forwarding for SNAT or DNAT with Iptables?

I have managed to get openvpn setup and get it to issue static internal ips to clients. Now the trouble i have is I'm now trying to assign open port per client as they now have static internal ip it ...
1
vote
1answer
1k views

iptables port forwarding for active UDP connections

I am trying to set up port forwarding on UDP from port 12345 to port 54321 using the following: iptables -t nat -A PREROUTING -p udp -i eth0 -d 192.168.0.1 --dport 12345 -j DNAT --to ...
-1
votes
3answers
2k views

Can't access port 80 on public IP [duplicate]

I have an ubuntu box at a local IP behind an Arris router from my ISP. I've setup port forwarding on the router for port 80 such that it forwards TCP/UPD to the local IP of the ubuntu box. However, I ...
0
votes
2answers
187 views

tunneling VNC port and port forwording

I have two machine say A and B. machine A is a public gateway. machine B is in my network and running VNC server on port 6000. I want people should connect on machine A on VNC port say 5900 ...
2
votes
1answer
124 views

Connect to the server through SSH (tunneling)

Hello!! I have a set of servers with the layout in the image attached. Lets call them Server A, B and C. Details for the scenario: Server A is where all the processing is done and user is ...
-2
votes
2answers
237 views

How to write the server to work behind NAT without any router configuration

I have two machines A and B: A: Client (behind NAT) B: Server (behind NAT) I want 'B' to be able to listen on port 8080 for example, so that 'A' can send packets to 'B' through that specific ...
0
votes
1answer
306 views

IP Tables Port Forwarding

I have 4 servers behind a load balancer, but only 1 of them is running a particular service. I want three of them to forward requests to the fourth, based on the port. So, at present all 4 are running ...
0
votes
1answer
3k views

OpenBSD 5.0 pf with NAT & Port Forwarding

Port forwarding does not seem to work properly, incoming connections apparently are blocked. Is there something wrong with my pf.conf? # Performance limits set limit states 200000 set limit ...
2
votes
5answers
14k views

Linux: How to port forwarding with iptables between 2 hosts on different networks?

I'm almost desperate... I've been reading for about 2 days iptables forwarding examples and I cannot do a simple port forwarding. I got 2 machines on different networks. server1 (S1 with ip ...
1
vote
1answer
160 views

Simplest firewall does not work

I try to redirect ssh-traffic from one machine to other with following bash sctipt: IPTABLES="/usr/sbin/iptables" $IPTABLES -F $IPTABLES -X $IPTABLES -F -t nat ...
0
votes
1answer
545 views

iptables redirecting for specific ip to port 8080

My PC has two IP addresses. How can I forward incoming requests on port 80 to 8080 from one of my IP using iptables in CentOS ? For example, I have ip addresses 1.1.1.1 and 2.2.2.2, I want to forward ...
8
votes
3answers
7k views

How to forward port 80 to another port on the samemachine?

How can I forward requests coming in on port 80 to another port on the same linux machine? I used to do this by changing nat.conf, but this machine that I'm using doesn't have NAT. What's the ...
-1
votes
4answers
134 views

Access Application Server from internet

I have Suse server running on one of my lan machines ,localhost, and it is running Websphere application server. I am also running an http apache on the same machine. I have configured my wireless ...
1
vote
2answers
3k views

How do I set up my new webserver using apache?

I'm making a private web server, but I can't get it to work. I'm running CentOS. I installed apache and verified that it's running. I set up httpd.conf according to online tutorials (mainly this one ...
0
votes
1answer
1k views

Multiple Apache servers on one IP, using port 80?

I wanted to gather peoples thoughts on the following situation: Two Apache servers, A1 and A2. Both servers are behind a router that can forward port 80 to only one ip, so how do you manage two ...
2
votes
3answers
184 views

Port Forwarding doesn't seem to reach Apache

I have an Apache http server running on my computer, listening to port 80. I can access my "hello world" page by visiting http://localhost/ in my browser. I've also set up a static IP address, so that ...
3
votes
1answer
286 views

How to allow the internet to view my website on http://192.168.x.x (IP address behind router)? [closed]

I have installed a server in one of my computer, I am using a router, I can go to the server from my other networked computers by defining the ip address in the address bar, like 192.168.1.101. all ...
0
votes
1answer
85 views

Proxy setup question

I want to be able to access a website that is IP restricted outside the UK from my cable DSL in Germany. A friend of mine set up a proxy server in the UK that whitelists my dedicated Debian server at ...
0
votes
1answer
288 views

Linux iptables usage route outgoing traffic

Hi: I have a problema, i want to enter a site that blocks by default all ips, except some ones, my server ip is not allowed, but i have another server ip allowed, so i have done a local ssh port ...
0
votes
1answer
238 views

SQUID SERVER (or whatever) HTTPS to HTTP

I am not too familiar with Squid or IPTABLES, I have an idea that this will work but I cannot find a good example via Google. In a nutshell, I am trying to mimic an SSL Accelerator. Like a ...
1
vote
2answers
838 views

How to port forward using Windows Firewall in Windows 7 (1194->53) [closed]

Hi I haven't been able to find solid information about how to do this. I have a VPN in my home server and at work they have blocked the OpenVPN port 1194, how can I have my windows 7 use another port ...
2
votes
3answers
308 views

Routing port 25 to another machine

Say I have two Rackspace Cloudservers, or VPSes for that matter. I want my setup to be: Server1 would have my Apache web server Server2 would have my mail server where I want to setup ...
0
votes
1answer
101 views

Hosting website on PC through firewall

I would like to host a website on my PC. It is connected to a firewall which in turn is connected to a DSL Modem. Actually I am not getting the correct way to configure port forwarding. Modem: Beetel ...
2
votes
2answers
2k views

Ports that are always open? How does softwares like bittorrent manage to communicate even without port forwarding?

How come bittorrent clients manage to communicate to servers and other peers even if the user has not configured port forwarding on their routers? Of course the speed will be reduced compared to ...
2
votes
1answer
180 views

Port forwarding my home server problem [closed]

I'm trying to set up my laptop as a server for fun. I got XAMPP, and am running Apache server. I know it's working, because when I got to localhost, it correctly displays my index.html. If I go to ...
1
vote
1answer
5k views

iptables https transparent proxy with privoxy?

So I have a privoxy running (on port 8080) on a box acting as a router. My goal is to route all HTTP & HTTPS traffic through privoxy on there. HTTP works with the following command iptables -t ...
0
votes
2answers
1k views

iptables redirected port 80 to 8080 - How to disallow direct access to port 8080?

I've routed all requests from port 80 to port 8080 for my Tomcat server using iptables. iptables -A PREROUTING -t nat -i eth0 -p tcp --dport 80 -j REDIRECT --to-port 8080 Now http://mydomain.com/ ...
3
votes
3answers
3k views

How do I configure my router under another to avoid NAT issues?

I'm sorry if this has been answered before; I tried looking but couldn't find a solution. I'll try and explain as clearly as I can. I've recently purchased a Rogers Mobile Rocket Hub and it's ...
1
vote
3answers
946 views

Is is possible to point a subdomain to a port address?

Is it possible to point a subdomain to a port address? For example sub.localhost -> localhost:82 How would I go about doing that in IIS 6? Thanks
3
votes
1answer
414 views

How do I connect to MySQL when it's setting behind 2 layers of ssh?

I have a MySQL server sitting behind a bastion server that I wish to connect to from my local machine. Ideally I want to port-forward the MySQL port (3316 in this case) to a local port on my machine. ...
2
votes
4answers
97 views

Network wide rule to forwared IP address

we have a virtual machine which hosts a web based bug tracker in our network which is reached internally via e.g. 192.168.1.5:9800. From the outside we made a port forwarding in our firewall so that ...
0
votes
1answer
848 views

Redirect local service to custom proxy

I'm trying to create a custom proxy program but I have a problem. My program connects to a fixed port from a random port and I need to tunnel all this traffic by my local proxy. I think the solution ...
2
votes
2answers
4k views

UDP traversal through router automatically without router port forwarding?

Everyone knows the router is working like a firewall. Without port forwarding, a connection (no matter TCP or UDP) cannot be initiated from outside of the router. However, if a user initiate a TCP ...