port-forwarding on firewall or via SSH

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111 views

CentOS port forward

I have the following situation: Internet ----- Server ------- virtual machine (kvm) public ip 192.168.122.12 x.x.x.x I need to make service on the port 3333 ...
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1answer
103 views

Windows Service Bus and Network Load Balancing

I'm looking to build an HA service bus farm, hopefully using Microsoft NLB on Windows Server 2012 R2, something like what is described here. In the output below 9354 belongs to Microsoft.ServiceBus....
1
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1answer
33 views

Icecast port forwarding not working

I have a PC that I'm running icecast server on. I can access my server on my LAN by using 192.168.1.2:8000. In my netgear router I forwarded external port 8000 to 192.168.1.2:8000. However when I try ...
0
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1answer
111 views

Why can't a reverse proxy point at itself?

When I set my reverse proxy to forward from it's own port 80 to it's own port 8080, I do so, i get the following warning 2016/03/28 22:05:59 [alert] 4193#0: 512 worker_connections are not enough ...
2
votes
1answer
80 views

Iptables forward all traffic to a specified port, to another device

How can I modify this iptables rule, so that all traffic which coming for this computer will be forwarded to 192.168.42.10? iptables -t nat -A PREROUTING -s 192.168.46.0/24 -p tcp --dport 80 -j DNAT ...
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1answer
59 views

Port not accessible

Am using AWS windows EC2 instance. I set the inbound rules in the machine to open all ports for public access. I installed IIS, and XAMPP in 8080 port. Now I could use 123.234.345.456 to open IIS and ...
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votes
2answers
33 views

How to route all client traffic without setting it's gateway

I've 3 devices where for some reasons I cannot change their default gateway and neither their ip and netmask. All the devices has the following ip: 169.254.11.22 and netmask 255.255.255.0 I want to ...
3
votes
2answers
43 views

Unknown port forwarding set-up on Netgear router

I'm pretty familiar with firewalls, routers, port-forwarding etc after 20 years of managing networks but this one has got me flummoxed. I'm helping out a small brewery business which has a pretty ...
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0answers
90 views

Elastix behind Proxmox, web interface of Elastix can't open

I have a PVE server with one public IP address, I want to host services on the private IP address, and do NAT and Port-forwarding to redirect the traffic to the VMs with private IP address. I was able ...
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1answer
105 views

SSH via DNS permission denied, but it works via IP (Debian 8.3)

I have a server behind a router, and I have forwarded port 22 (TCP/UDP). I can SSH to the IP (ssh user@xxx.xxx.xxx.xxx) but not to the DNS (ssh user@mysite.com). I'm getting: Permission denied (...
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1answer
82 views

Proxmox VE (routing and port-fowarding issue)

I have installed PVE, I received three public Ip address two of them are in the same range, the third one is in different range. I wanted to give PVE host one pub IP to be reachable externally, and ...
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1answer
15 views

Redirect to another port in iptables shows no chain error

I'm facing strange problem with iptables right now. Simply, I want to redirect traffic from port 514 to port 5140. I'm using this IPTables command to achieve it: iptables -t nat -A PREROUTING -p tcp -...
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2answers
25 views

port rerouting with iptables not working

I want to reroute all traffic from a port e.g. 4445 (from localhost) to another port on another machine in the LAN e.g. 3305. I expected this should do the deal: iptables -A PREROUTING -t nat -i eth0 ...
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0answers
26 views

iptables: Allow private IP/VM external access and forward one port to this private IP/VM

I am running a server with 3 VMs having static IPs. All fine here :) I added a new private network with virsh: 192.168.100.0/24 connected with virbr1. All 4 machines have virtual NICs for internal ...
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0answers
15 views

Iptables forward one port to many clients

Centos 7 and Strongswan version 5.3.5. I have just setup strongswan on a Centos 7 system, and everything appears to be working well. I used this document as a template for the setup: https://www....
2
votes
1answer
39 views

iptables: add routing for internal guests and port forwarding [closed]

I have the following rules working fine - before I added a private network with a single VM (which can ping all machines on the host but not the outside). I want the VM (192.168.100.2) to reach the ...
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0answers
35 views

Can Someone Explain Why this firewalld Command Does Not Work as Expected?

matiu asked the question of how they can do port forwarding for a single source IP address. You can read the original question here. I provided the following commands as an answer. I based my answer ...
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0answers
18 views

verizon router port forwarding connection refused postgres request [duplicate]

Initially I thought the problem was how I had the database set up in the Tomcat config files.. I've spent the entire day going through all of my settings with a fine toothed comb and can't find ...
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1answer
32 views

Port Forwarding - Apache listen at port 72 or any works fine but in port 80 doesn't work [closed]

My apache is running on port 80. When I go to router setting and set the port forwarding from 80 to port 80 in my lan ip of my computer, it doesn't work remote. But if I change the apache to port 72 ...
2
votes
3answers
138 views

Port forwarding in pfSense not working

I recently set up a pfSense router and can't get any port forwarding to work from outside my own LAN. I have the following forwarding rule to a local server located at 10.0.1.2: Note that if I ...
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0answers
27 views

Port is listening but not Open

Port Info I am trying to open port 9121 for a minecraft plugin votifier... Currently the site that needs to connect to it can not. I am a total newb to this.. but this just makes no sense to me ...
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1answer
47 views

port forwarding by iptables failed

I hope to forward from 192.168.1.230:9090 to 192.168.1.231:8080. I execute the following command: iptables -t nat -A PREROUTING -d 192.168.1.230 -p tcp --dport 9090 -j DNAT --to 192.168.1.231:8080 ...
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votes
2answers
129 views

UFW Forwarding on Port 80 to port 3000 on Single VPS [duplicate]

The following is on a Virtual Private Server online and only one machine. I have tried a number of ideas using UFW on Ubuntu 15.10 to forward an incoming request on port 80 to a simple app I have ...
1
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1answer
186 views

Azure Web App Port Mapping/Forwarding

Is it possible to map or forward an external port x to port 80 in a Web App on Azure with any of the tools provides by Azure (e. g. Traffic Manager etc.). I'm not talking about VMs, I'm talking about ...
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0answers
41 views

Duplicate SYN package forwarded by Docker?

I'm experiencing a strange interaction between a CISCO firewall and my Docker host connected to it: the CISCO periodically marks my host as a SYN attacker and shuts my ethernet port down. I've been ...
0
votes
1answer
46 views

deploying nodejs app with forever

Hello I am trying my first deploy in my life on a 'production' server, and i have the following question: after setting everything up on the server, and run npm start app.js I can connect to the ...
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0answers
22 views

Weird stuffs in port forwarding on asus AC87U

i faced a weird situation below. kindly noted: my asus AC87u is merlinwrt. scenario: i wish to do port-forwarding from ac87u of port 8051, 8050 to two other devices in LAN and they're routers. ...
2
votes
1answer
177 views

Channel all the traffic on an IP to a VM

Situation: I have a dedicated Server (CentOS 6) with couple of VMs(Cent OS 7 and Windows Server 2012 R2) in Virtual Box. Few applications are running in windows and reachable from the Main IP(X.X.105....
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1answer
99 views

Opensuse port forwarding 80 to 8080 not working

I've a glassfish server that use the port 8080. I need forward from port 80 to 8080 so I can access the content without put the :8080 port in the url. I've tried to put a masquerade rule, add ...
3
votes
1answer
1k views

Redirect to local network without allow_localnet

I'd like to redirect incoming external traffic to a service which listens on 127.0.0.1. The redirection is easy - just: iptables -t nat -A PREROUTING \ -d local_ip --dport 80 \ -j DNAT --to-...
0
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2answers
228 views

WatchGuard, external IP, different port

I have few external IP addresses, but I want to use one, and NAT to it different PC's. That's how it should look like. 123.123.123.123 that's my IP, and I want to have on it 3 PC's on different ...
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0answers
30 views

gitlab port forward tom foolery

We have a public-facing web server (CentOS 6 w/ Apache) that will need to forward requests, both from public and a private interface, to a separate host that's running Gitlab. For security purposes, ...
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0answers
69 views

Connection timed out when using ssh to connect to a machine on a pfSense subnet (using port forwarding)

I get a connection time out when I try to ssh into a machine inside a pfSense firewall network. The computer I am connecting from is on the same subnet as the pfSense firewall. That is my computer's ...
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votes
1answer
87 views

port forwarding access.log

Problem was localized - MASQUERADE (it's modifying original source-IP). Question is closed, because problem not in port forwarding, but in configuration in general of router server. Thanks all. ...
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2answers
45 views

How to listen selected port when vps is not available via port 80?

There is this situation: Two vps running behind a single public ip address (using one router). Let's say vps 1 is: 120.1.2.3:80 (default pot), And vps 2 is: 120.1.2.3:81 (non default port to ...
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2answers
88 views

Can't establish connection between openvpn client and server

I've set up an openvpn server on a computer and I'm currently trying to connect to it with a client. The server seems to init correctly (although it does give a warning about the common 192.168.1.X ...
0
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1answer
89 views

Using SSH to tunnel over two hops, the last of which is connected through a reverse ssh tunnel

I would like to use OpenSSH to allow port forwarding over two hops, the last hop being connected through a reverse tunnel. Here is my current setup: Server B is running sshd on port 10000. Server ...
2
votes
1answer
580 views

lxd container: port forwarding like docker

Is there a way to do port-forwarding in lxd-containers like docker does? I heard some rumours that there is no easy way. According to the homepage of lxd this is their goal: Intuitive (simple, ...
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0answers
35 views

iptables, Apache2 and cgi

I'm running Perl cgi script providing some reports on Apache webserver on a host behind DSL modem doing port forwarding. Overview: net <-> DSL_Modem (192.168.1.254) <-> Ap2host (eth1/192....
0
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1answer
70 views

Redirection of pfctl on OSX gets error

I want all my traffics are redirected to SOCKS proxy on 127.0.0.1:1080. I added the rule below to the end of /etc/pf.conf according to this tutorial: pass on en3 proto tcp from any to any rdr-to 127....
0
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1answer
114 views

Couldn't add New Bridge NAT Rule - ip matchers valid only for ip ethernet protocol

I am following this tutorial to set up port forwarding. However, when I attempt to apply my rule, I get the above error message. Here is the rule that I am trying to add: see this image
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votes
1answer
85 views

How to access the web page using specific port?

I created two directories for storing the website on the web server /web /web/admin Assume that my website domain is http://www.domain.com/ and I would like to using the port 8080 for the admin ...
3
votes
1answer
52 views

KVM port binding

I followed this tutorial to install a KVM virtual machine on my ubuntu server. Now i need to bind a port from the guest to the host. I tried several tutorial to bind the port, but nothing worked. My ...
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0answers
237 views

Unable to access ReadyNAS 1100 via web admin portal and SSH [closed]

Device: ReadyNAS 1100 Model: RNR4000 Current firmware: RAIDiator 4.1.8 Latest firmware: RAIDiator 4.1.14 Purchased: December 2011 (3.9 years old) I am unable to access my ReadyNAS 1100 via the admin ...
1
vote
1answer
85 views

Azure Internal Load Balancer Ignoring 2nd VM

I've got 2 Ubuntu VMs on Azure (classic VMs on old management panel.) I created both of the under the same Cloud Service. I also created a load balanced endpoint 80 (public) to 80 (private) with both ...
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2answers
168 views

SSH tunnel on port other than 22 under OSX

I'm trying to access two different machine's VNC servers located on the same local network from the WAN. As I'd like that traffic to be routed in an SSH tunnel, I'm using ssh admin@xxxxxx.net -N -L ...
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0answers
306 views

Sonicwall site to site VPN behind NAT device

I am trying to create a site-to-site VPN tunnel though public Internet using SonicWall TZ-190 to TZ-105. Here is my scenario: Site-A PPoE is configured in ADSL modem. TZ-190 is located behind a ...
0
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0answers
92 views

UDP Port Forwarding Error: channel 2: open failed: connect failed: Connection refused

My situation is as follows: I have currently trying to have a program between two Hosts send UDP packets over a SSH Tunnel. There is also a host intermediate between the two hosts. Note Server01 ...
0
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1answer
638 views

Windows Azure: Open all ports to external world

I have tried all options from google. But it seems i'm missing something... I'm trying to open at least one port... But it just doesn't open it. iptables is empty, server is default python -m ...
0
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1answer
91 views

How does port forwarding work as it pertains to bandwidth usage

Let's say there are two servers: Server A with a 500mbps of available bandwidth and Server B with 1gbps of available bandwidth(same vendor). If there are a port forwarding configured on Server A ...