Tagged Questions

0
votes
1answer
47 views

Whats wrong with my iptables?

Problem I cannot get requests to my server on port 80 to redirect to my client on port 8080 Server I am using a CentOS 6.3 VM as the server, the client is an Arduino Server eth0 - 172.16.145.139 ...
0
votes
2answers
47 views

Accessing website from two ports - Apache config

I have a website setup and want to be able to access the same site from two different ports. Does anybody know how I would do this? For example, I want to be able to access exactly the same at ...
0
votes
0answers
39 views

Multiple Ports Forwards, Most Working, but Not All?

So I have this ASA5505 setup and pretty much everything works, except a couple key port forwards. Can anybody spot ANY reason why SOME port forwarding would not work? Specifically I know the 50000 ...
1
vote
0answers
51 views

forward a specific port from linux server (ubuntu) through firewall server (ubuntu)

I'm doing the following: % autossh -i YYY.pem XXX@SERVER -N -R 90:localhost:9000 -o ServerAliveInterval=30 to forward a server port from the local machine to the public machine. But connections ...
0
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0answers
53 views

port forward the same port on 2 fixed external ip addresses to 2 different internal servers

Requirement: Vmware esxi server with Ubuntu server 12.04 (firewall and port forwarding) can add multiple interfaces if required, current configuration - eth0 connected to External virtual switch - ...
0
votes
1answer
87 views

iptables forwarding port to internal IP

I'm using OpenVPN on a VPS which I want to forward incoming port 7999 from the external IP 198.23.248.150 to the internal IP 10.1.10.2 using iptables. I cannot seem to get the syntax correct and I ...
0
votes
1answer
86 views

Running an email server on a VPN client, wanting traffic passed through for smtp, pop3,imap etc from vpn server.

I have a home broadband network which I also run an email server. As my provider won't give me a fixed ip address, and most servers refuse to accept smtp mail from dynamic ip ranges, I felt the simple ...
0
votes
2answers
38 views

Domain that redirect to a port

I've got two domains that are connected to one server (same IP). I want to domain1.example.com redirect to 1.2.3.4:12345 and domain2.example.com redirect to 1.2.3.4:12346. How can I do that? I can't ...
1
vote
1answer
380 views

how to solve the error: “ssh_exchange_identification: connection closed by remote host”

I have been researching for hours and still unable to solve my problem. This error "ssh_exchange_identification: Connection closed by remote host" has many proposed solutions but none seem to solve ...
-1
votes
1answer
64 views

How can I access ports on a machine behind a NAT I don't control through the use of an outside server under my control? [closed]

I'm in a college dorm, but I do web development work for another company. I need to be able to test the site I'm working on with my work iPad. I develop the site locally on my laptop. My equipment: ...
1
vote
2answers
615 views

Cant forward port 443 to 8443 without allowing 8443 on ufw

I configured port forwarding through iptables and ufw. But there is something I do not understand, I just cant get iptables to forward port 443 to 8443 without allowing port 8443 on UFW. I want port ...
-1
votes
1answer
205 views

Forward localhost memcached server on port 12111 to domain.com memcached server

My customers are running many scripts that uses memcached, but all of them are using localhost as a address. My localhost server is now out of RAM, because it's doing many other things like WWW and ...
0
votes
1answer
133 views

To which port in vlan are packet forwarded?

I see in arp table only MACs and Vlans pairs. I have 3 ports is in same Vlan in access mode ( vlan is configured as interface with ip address and routing ), my question is if packets routed to this ...
2
votes
1answer
562 views

Selecting Interface for SSH Port Forwarding

I have a server that we'll call hub-server.tld with three IP addresses 100.200.130.121, 100.200.130.122, and 100.200.130.123. I have three different machines that are behind a firewall, but I want to ...
1
vote
0answers
269 views

Cisco ASA 8.4 Port Forwarding Site-to-Site VPN

I have a Cisco ASA (running ASA 8.4) which has a Site to Site IPsec tunnel to three sites. These sites have overlapping address ranges, so on my ASA I have setup NAT so everything is accessible. I ...
0
votes
2answers
167 views

Local Network Windows Port Address Translation

We have many legacy applications that can only send reports via printing. We have an application called RPM that can receive these print jobs and convert them to a more useful medium (e.g. PDF ...
0
votes
1answer
396 views

Using netcat in windows to forward a tcp door to another machine

I have a computer with windows 7 under a firewall which can only initiate connections to other computers. It has a proxy server on it (port 9000) and I want to forward it to another machine ...
1
vote
1answer
556 views

How to port forward https traffic via ssh and/or remote desktop to through several networks and PCs?

I have the following environment: In company X I develop a application on a pc A in network A with ip address 192.168.100.50 which has to do an https request to an http server located in the ...
3
votes
4answers
499 views

How forward one port to other using ssh or any other tool?

I have a legacy application listening on port 5050 bound to localhost interface (i.e. 127.0.0.1). This app runs on a Linux box (an embedded system). I have an app, lets call it App C that runs on PC ...
0
votes
1answer
212 views

Internal portforwarding

I am currently working on a webapplication which uses node.js and socket.io. Socket.io need to start a small tcp on port 843 for delivering crossdomain.xml's for FlashPlayers socket connections. As ...
0
votes
2answers
92 views

Tunnel SSH “Client -> Firewall -> Server1 -> Server1.2”

I need to make a tunnel from a client box to a server. The problem is that there are 2 boxes between them: CLIENT --- FIREWALL ---{ SERVER1 --- SERVER1.2 } CLIENT ============================= ...
1
vote
3answers
652 views

Forward a specific Domain on Port 80 to another Server within the Intranet

I have an interesting problem, and I thought I'd see what you guys thought would be the best solution before blindly trying random stuff. Basically, I have two servers (one Linux and one Windows) ...
3
votes
1answer
2k views

How to allow remote connections from non localhost clients with ssh remote port forwarding?

I have a system say "privatesys". I am trying to give access to its web server through a remote proxy using ssh remote port forwarding like below. Private sys name: privatesys Port exposed: 80 The ...
1
vote
1answer
456 views

cisco 1800 series NAT port forwarding for mail sending

I have centOS mail & web servers configured in a computer in LAN. My cisco router carries a external IP needs translation so that any request to my global IP at http port will be forwarded to my ...
0
votes
1answer
88 views

Apache subdomain pointing to a different port

I have a dedicated server (Running centos, with Apache etc as a Web Server). With a domain name and subdomains all set up and working fine. I would like to set up a new subdomain, eg: ...
0
votes
2answers
239 views

Port forwarding with proxy server

I'm behind a firewall with incoming connections blocked on all ports. I'd like to run an Apache Web Server on my machine. Is it possible to configure a free public proxy server to forward the incoming ...
0
votes
1answer
220 views

port forwarding to server outside dmz from one inside dmz

we are running mysql replication between a server outside dmz and one inside dmz, for this we need port forwarding. We have had it set up, but it recently stopped working. Just before we added a rule ...
3
votes
2answers
948 views

fwbuilder: port forwarding incoming 222 port requests to a local machine 22 port

I am using fwbuilder to setup my iptables rules for a public server. The idea is to forward external requests from the 222 port to a local machine's ssh port. The settings i used are: NAT section ...
1
vote
2answers
195 views

Ubuntu Server Port Forwarding Issue

I've created a web server from a spare computer and Ubuntu Server but I'm having trouble making it viewable from the outside. I've set up port forwarding on my Netgear router but it still dosen't ...
0
votes
2answers
178 views

how to portforward port 7300 from server A to server B

We are using Stunnel. But want to replace it is with an iptables entry if possible. 192.168.123.122:7300 need to be forwarded to 192.168.123.188:7300. So in iptables I set these two entries: ...
0
votes
2answers
194 views

Windows DHCP Port Forwarding

I am using windows 2003 server as a DHCP server and I have around 10 computers behind it. How can I portforward some ports?
0
votes
3answers
318 views

How to forward certain ports on my domain to another IP

I have one domain name with MX Record all pointing to a single public IP. However, I have different servers which all should use the same domain on different public IPs. Since all of the traffic to my ...
2
votes
2answers
154 views

Can I run a web site from my home network without jeapordizing other computers on my LAN? [closed]

I have a home LAN with 5 computers and a NAS, all connected to a Linksys router which is connected to my Cox cable modem. I'm interested in having one of my computers run an IIS-based web site and to ...
1
vote
1answer
3k views

How to configure vsftpd and iptables to listen on port 21 but run on another port?

We have a Java process which contains an embedded FTP server which I'd like to run on a RHEL5 machine. I don't want to run the process as root and I don't want clients to have to specify a port when ...