port-forwarding on firewall or via SSH

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2answers
270 views

Stunnel multiple ports through the same Port

I'm looking for some help regarding an stunnel configuration I'm working on. Basically I want to have a DMZ machine accept inbound connections to port 80 and 110, and then forward them through my ...
2
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2answers
2k views

iptables packet forwarding to one of two gateways depending on origin

Given the following installation: old router 192.168.1.1 with NAT forward of tcp port 80 to 192.168.1.10:80 new router 192.168.1.2 with NAT forward of tcp port 80 to 192.168.1.10:80 web ...
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votes
1answer
30 views

steps to setup portforwarding [closed]

I have a java process running on a server[SlaveServer]. I like to attach java debugger on a certain port say 19999.The problem is the server isnt directly reachable from my local pc . Below is how i ...
0
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2answers
45 views

IIS and Apache hosting together

I know similar questions have been asked already, but mines a little more unique. I work for an internet/networking company. We build and host websites, as well as provide internet and network setups ...
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3answers
82 views

Can I set up port forwarding to emulate not just a port but another IP address?

I am running a proprietary Windows application which functions like a server. You install the program, and then it broadcasts itself over port 13083. The program is web-based, so it's accessed ...
0
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2answers
1k views

How can i forward the http and ssh port to my internal server using iptables

I do not have the router so i make the Linux system into router having centos 6.4 for forwarding the Public network traffic to my local LAN.It has the two NIC card. one for public ip (eth1) and ...
1
vote
1answer
1k views

Assign ipv6 address to KVM guests on bridge mode

System: CentOS 6.5 Network: Bridge on br0 IPv6: ISP Native /64 block. IPv4: ISP address (not internal LAN) Purpose: To assign IPv6 only to guests (manually), I don't want ipv4 address to be ...
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0answers
124 views

How to set mark on packet when forwarding it in nat prerouting table with rp filter 0?

I have a serious problem with my server ubuntu 13. I have two ADSL lines and an internal network as follows. i.imgur.com/v4ddHXf.png (URL IMG) IP redirections made ​​two because there are two older ...
0
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2answers
124 views

How to spoof an IP for application that needs this particular IP?

In general, such a problem, there is a system RHEL 6.4 Server with a pair of network interfaces combined into one by bonding. This system IP address: 10.7.7.1. Next on the system running an ...
1
vote
1answer
691 views

iptables port forwarding to vmware workstation guests on NAT vmnet [closed]

Try as I might, I can't get this to work now for 2 days. Your move, internet. I want iptables to transparently forward (localhost) 192.168.1.40:2222 to 192.168.2.22:22 and I don't want ...
3
votes
1answer
488 views

Port forwarding stops abruptly - Windows Server 2012

You can port-forward in windows, like so, this is explained in this article. netsh interface portproxy add v4tov4 listenport=80 listenaddress=192.168.1.111 connectport=80 connectaddress=192.168.0.33 ...
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1answer
271 views

Ubuntu Server / IpTables / Port Forwarding / NAT

I got referred here from StackOverflow. I'm using IpTables to forward an incoming port on one server to an external server (not on LAN) and the same port. The problem I'm having is that I have to use ...
0
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2answers
84 views

ip forwarding using iptables

I have two interface in my linux machine , one is configured for public ip 110.111.250.241 - eth0, another is for LAN 10.42.43.1. I have a client machine 10.42.43.174 with apache web server. I want ...
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votes
1answer
58 views

How to proxy to a web server on a node that can make outgoing connections but has no accessible IP, without root?

Not sure if this is the right StackExchange site to ask (I mainly frequent SO), but since you guys are server admin experts hopefully you'll find it relevant! Some context: I'm currently trying to ...
0
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1answer
108 views

Centos port redirection

I would like to forward my port 22 to another machine. So the whole ssh will be handled by another machine. This is what I've tried: sudo /sbin/iptables -t nat -A PREROUTING -p tcp --dport 22 -j ...
0
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2answers
1k views

Iptables port forwarding on AWS EC2

I have AWS VPC with 1 public subnet and 1 private subnet. I have my web-server running on port 80 in private subnet. I want this webserver be accessible form public internet Yes, The VPC security ...
2
votes
1answer
229 views

iptables port forwarding only for a certain range of IP

I'm using LXC containers. Each one of my containers have an ip address in 10.0.3.0/24. I want the packets that come into my host on a certain port to be redirected to a container so I use this rule: ...
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0answers
133 views

Why is an ack response being sent to the wrong gateway?

I was trying to determine why a packet forwarded by iptables to my internal lan is returned on the wrong gateway. Having investigated this further, I determined that, at least in the case of one of ...
3
votes
1answer
33 views

Unable to browse to apache service, Service is running

Summary I have a very peculiar problem. I am not able to open the "It Works!" page after installing a fresh server with apache. I am able to ssh to the box (from outside the network). Apache seems to ...
0
votes
1answer
2k views

iptables forward rule not working in openwrt

I am trying to apply some iptables forwarding rules in openwrt. Here is my scenario - My server has two cards ath0 and br-lan. br-lan is connected to internet and ath0 to private network. The other ...
0
votes
1answer
86 views

Accessing Apache virtual host on my local machine

I use dyndsn.org and port forwarding to manage access of my local Apache webserver from the Internet. It access my apache htdocs via http://myusername.dyndns.org/somesite. However, I have set an ...
0
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1answer
75 views

iptables port forwarding troubleshooting

I'm trying to forward connections on port 18600 to port 9980. I have this in /etc/sysconfig/iptables: # Generated by iptables-save v1.3.5 on Mon Oct 21 18:30:43 2013 *nat :PREROUTING ACCEPT [2:280] ...
0
votes
1answer
98 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 are communicating using port 6901-6999 and port 1433. Because of the long distance between the two ...
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1answer
40 views

How is the port a part of a packet? [closed]

Computer A is running a program that initiates a request to Computer B on Port X. Where / how is the port transmitted in the API request?
0
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1answer
85 views

SSH tunnel chaining

I've found the solution here. http://chrisjordan.ca/post/15052405906/chaining-ssh-tunnels. Why is this answer right? Are the connections between A, B, C, D, E encrypted? From what I understand only ...
2
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1answer
3k views

port forwarding through AWS VPC NAT

Yes, I have already scoured the internet and read most of the popular IPTables / DNAT guides / pages / posts. My Problem Summary I have a VPC with several subnets. One subnet in particular requires ...
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4answers
3k views

Having two subdomains on one public IP addres behind pFsense router

I have one public static IP address. I have my main domain register at local Internet provider and their DNS. My main router is pfSense and behind it i have my local network. My WEB server is in ...
0
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3answers
203 views

Accessing a web server behind router, when port forwarding is not an option. Like localtunnel but for multiple sites

The situation I'm running a web server (CentOS on VMware, multiple virtualhosts) on a development machine and I'd like to give access to clients to view some sites without me having to upload them to ...
0
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1answer
56 views

Port foward to Server that has different gateway

We have two ISPS (2 gateways one Sonicwall and one Verizon Router) and one internal LAN. The sonicwall internal IP is 192.168.1.1 and verizon is 192.168.1.2 On the sonicwall I configured a port ...
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votes
2answers
558 views

Port in Public IP can't be accessed [closed]

I have a local ip (xxx.xxx.xxx.xxx) and also a public ip (yyy.yyy.yyy.yyy) for my local server. I host a website in the local server on port 5555. I can open my website from the local ip ...
0
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2answers
2k views

Iptables: How to redirect all 8443 incoming and outgoing to 443

So I understand that you need to allow the connection first (right?) iptables -A INPUT -m state --state NEW -m tcp -p tcp --dport 8443 -j ACCEPT iptables -A INPUT -m state --state NEW -m tcp -p tcp ...
2
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0answers
393 views

How can configure Cisco ASA 5510 to allow access to Web server in DMZ from LAN with port translation?

I am trying to configure Cisco ASA 5510 firewall to allow access from LAN to DMZ web server. Web server is located in the DMZ and is using port 8080. I don't want users to type port number every time ...
0
votes
1answer
303 views

firewalld: trouble forwarding port 25 while other ports forward just fine, “rich rule” logging shows NO entries

So, I installed Fedora Core 19 for the first time as a replacement for an older system whose disk had finally died. The system serves as a web server and gateway / firewall, protecting internal ...
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votes
1answer
133 views

Cannot reach website from outside of LAN [closed]

I am at much of a loss here, guys. I am running an Apache HTTP webserver from my laptop and I am unable to reach it from outside the routers borders/LAN. I cannot seem to ping it outside LAN and when ...
1
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1answer
423 views

Is it possible to get logging in netsh interface portproxy

I am using netsh interface portproxy to do some port forwarding on a server. Is there any way at all to see any logs of what was the input sent to the port, whether something was forwarded etc? i.e. ...
0
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0answers
217 views

Can't access Server 2012 IIS 8 remotely. Firewall settings are set to forward port to server's LAN IP

IIS role is installed in Server. Server has 2 NICs with fixed address on the same subnet. Firewall allows these apps and features: WWW Services (HTTP) Secure WWW Services (HTTPS) Remote Access Remote ...
0
votes
1answer
67 views

Port forwarding to the local network machines for local network users

All machines in my network based on linux. Main server has 192.168.0.1, mail server has 192.168.0.2, client machine has 192.168.0.3 ip. I've added iptables -t nat -A PREROUTING -d 192.168.0.1 -p tcp ...
0
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0answers
43 views

Remote listen to port

I have local server exists inside a corporate local network which is running a web-server at port 8080. I would like to make it available to the internet. But it is inside a local subnet with NAT to ...
-1
votes
2answers
348 views

Remote Management (VNC-style) without Port Forwarding [closed]

Is there a way of setting up a VNC-style server (RDP would do as well) on machines behind NATs, and have access to them? Should be technically possible by having outgoing connections from the NATed ...
-1
votes
1answer
41 views

Converting 'ssh -R' to 'ssh -w'

I use ssh remote port forwarding like this: ssh -R $PUBLIC_IP:80:127.0.0.1:80 The local server on 127.0.0.1:80 sees connections as coming from 127.0.0.1. Is there any way at all, hacky or not, to ...
0
votes
2answers
697 views

sharing a printer over a VPN

We have our head office, that has a static ip and two windows servers a domain server and a file server. We have another office that only has a router and a pc (with a static ip address) now my aim ...
0
votes
1answer
253 views

Port forwarding vs UPnP [closed]

I am wondering what the security implications are between running UPnP or Port Forwarding on my Netgear R6300 router are.... is one better than the other? If I have UPnP turned on and this test ...
2
votes
0answers
620 views

ASA5505, 9.1, Static NAT Port Range Forwarding

ASA5505 Version 8.4+ (Using 9.1).. Adding port range for static nat. object network server_x host 123.123.123.123 access-list outside_in extended permit tcp any object server_x range 1000 2000 ...
0
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3answers
333 views

Redirect localhost requests to a Linux container

I run some linux container on my ubuntu host. Each one of them are running a webapp. To be able to access these webapps, I use iptables to forward port: sudo iptables -t nat -A PREROUTING -p tcp ...
0
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1answer
94 views

with socat, given port on the remote (server) host is to be forwarded to the given host and port on the local side

Is it possible to use socat to achieve the following, without the need of using ssh? > ssh -N -R 8080:localhost:1080 mylogin@server.com -R [bind_address:]port:host:hostport Specifies that the ...
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votes
1answer
96 views

running multiple application servers on a single AWS instance

I want to run multiple application servers on different ports on a single AWS instance with a different IP/domain pointing to each port. I don't have a clue how to accomplish this. I don't know if ...
0
votes
1answer
2k views

How to set up port forwarding on a NETGEAR ProSafe™ Gigabit 8 Port VPN Firewall FVS318N?

UPDATE: Rule might be right, but app still isn't functional. See more details after the screenshots. I want to forward port 3000 to a machine in the local network (192.168.1.106). So far I've ...
3
votes
1answer
661 views

Domain Based Port Forwarding with VLAN routing [closed]

At my new workspace I want to setup a network that enables me to deploy my web development work on Dev, Test and Accept servers (VMs) with (controlled) access from outside the network - based on ...
0
votes
2answers
1k views

Port forward an incoming SQL connection over TeamViewer VPN

I have a remote server which in turn has access to a SQL Server instance running in the same network. I am developing tools to use this SQL server, but have no backup or rights to backup/copy the ...
0
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1answer
68 views

Redirect clients through ssh tunnel to different server

I have a Debian server, and an OpenShift gear. To access the gear, clients need to connect to it with a SSH tunnel. I want people to instead connect to my main server using a normal connection, and ...