port-forwarding on firewall or via SSH

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1k 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 ...
2
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0answers
675 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 ...
2
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0answers
1k 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 ...
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0answers
147 views

Unable to force passphraseless ssh authentication while port forwarding

I'm completely at a loss as to what is preventing my local machine from authenticating the connection that is being forwarded from the remote server. I've read a ton of the posts on here regarding ...
1
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0answers
47 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 ...
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0answers
33 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 ...
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0answers
27 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
43 views

Remote (Ubuntu) server as http gateway to multiple socks5 proxy servers

I have the following setup: Computer L (my Mac OS X machine). Linode R0 running Ubuntu 12.04. Linode R1 running Ubuntu 12.04. Linode R2 running Ubuntu 12.04. R1 and R2 are turned into SOCKS5 proxy ...
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105 views

Forward port to virtual IP in namespace

So, I followed this guide to make a namespace where I can run my VPN: https://schnouki.net/posts/2014/12/12/openvpn-for-a-single-application-on-linux/ It works fine so far, but I have one problem. I ...
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446 views

OpenVPN - open ports for clients only via iptables

OpenVPN server running on my ubuntu server (tun mode). My problem is that i cannot set some ports be accessible only for VPN clients. I have a dirty solution, but i want better. I have no iptables ...
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36 views

Use TURN for remote port forwarding

I want to forward some ports on a machine behind a NAT to a publicly accessible server. I can do this via SSH (and doing so already successfully), however SSH encrypts all the traffic which in my case ...
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349 views

Publish or forward ipv6 port range to Docker container

I'm building a IPv6 enabled FTP container based on pure-ftpd and I have the problem that passive mode needs the client to connect on any port in the range of 30000 to 50000 to the server on the ...
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0answers
252 views

trying to reach a port forwarded server from the subnet using the public IP not working

I set up a server which is connected to my router. The router forwards a port of my server. So when I scan that port using http://www.t1shopper.com/tools/port-scan/ I got: 188.143.126.14 is ...
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542 views

ssh reverse tunnel port forwarding connection fails

I am able to do a reverse port forwarding through the PUTTY GUI with settings similar to below. Once I apply this setting, I am able to run to the server box and run wget http://localhost:8080 <-- ...
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0answers
191 views

Weird socket behavior in VirtualBox (NAT + PAT)?

I have a Linux VM with NAT and PAT configured. Let's say ports 2000 and 2001 are forwarded to the VM. These ports are also configured for external access on a device such as a router using a domain ...
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0answers
1k views

Puppet agent (v3.0.1) hangs connecting to master (v3.1.1) in VM behind firewall (with NAT based access)

I am using puppet agent v3.0.1 (On FreeBSD), trying to connect to a puppet master v3.1.1 (On Ubuntu) and the puppet agent hangs with the following debug output: puppet agent --debug --no-daemonize ...
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95 views

Pass / forward 8080 port on server with masquerade

There is server machine wich is connected to ISP only with modem, no router. Server got apache on 80port. Now on other ethernet card in my server i have cable going to my router, router serve ...
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220 views

Cloudmin GPL Xen PV with Nat Port Forwarding

I'm running Cloudmin GPL on CentOS 5 64bit and am trying to allow my Xen PV guest to access the internet via a NAT/port forwarding setup.. I've done the following: (on dom0) echo "1" > ...
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506 views

NAT loopback/reflection on Zyxel P-661HW-D1 doesn't work

I have a Zyxel P-661HW-D1 modem/router with several port forwards that works on the WAN interface. I'd like to make them work for the LAN interface as well, like I'm used to. I updated the firmware to ...
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0answers
157 views

Changing externally visible IP on a multi-IP router?

I work at a public library and I'm trying to configure OCLC's EzProxy software. I've run into a problem and I think it's related to our network config. I'm punching above my weight here a little so ...
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341 views

Port Forwarding FortiGate 60 B

I'm using FortiGate 60 B in our company. The question is, I want to enable FTP facility in "Iomega StoreCenter iX4 - 200d", which is using as a NAS Device. This has two Ethernet port. One is ...
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0answers
158 views

Port forwarding with URL on OpenBSD 4.5

I need to setup forwarding on gateway machine with following request from client: Is it possible to setup pf.conf on OpenBSD 4.5 machine, but instead IP address to have given URL such as ...
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0answers
2k views

Port Forwarding through VBox NAT for SSHing from Host to VirtualBox Guest Not Working

Despite the tremendous amount of work that VirtualBox has put in to make this process easier, I really just cannot get it working properly. The goal: To be able to run a headless VirtualBox VM, which ...
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612 views

VisualSVN Port Forwarding is Not Resolving

I am using the FreeDNS Update client to dynamically update the IP address of a subdomain. I can access https://localhost:8282/svn/ on the laptop but I cannot access it from ...
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0answers
320 views

iptables - Forward back to dmz from dmz

I have a firewall with two network cards. From internet it's possible to access the external-ip and then be forwarded to an internal server. But when on the DMZ and accessing the external-ip, I'm not ...
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0answers
466 views

forward same port but for two different IPs (cisco)

I have a cisco running IOS 12.0(25) responding to two different IPs addresses: IP_A and IP_B. Behind this router I also have two different servers: server_A and server_B. What I want is to forward ...
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19 views

Remote port forwarding via ssh tunnel fails

I am trying to do some remote port forwarding via a ssh tunnel on my NAS (NAS4Free running FreeBSD), which is behind a firewall. I have added gateway_enable="YES" in /etc/rc.conf and also ...
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0answers
25 views

create a PPTP VPN server to act same as PureVPN PPTP server?

I'm new in networking. Our ISPs are providing us with private IP addresses so port forwarding is not possible, They are offering fixed IP addresses but with extremely high price so the only option is ...
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0answers
9 views

Can I setup unique Site-to-Site VPN's to individual VM's on a Physical Server that's behind a NAT at a site with one Static Wan address?

That was a long title, but hear me out. What i'm attempting (or hoping) to do, is setup a server at our office that runs multiple VM's and then have a site to site vpn from each of our clients' site's ...
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0answers
49 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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0answers
19 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
13 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: ...
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0answers
23 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
22 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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0answers
20 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. ...
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0answers
46 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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0answers
30 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 ...
0
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0answers
210 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
75 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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0answers
25 views

Get access to host in OpenVPN network from global network

I need help with next situation. I have OpenVPN server set up on virtual machine in Azure cloud. This server have 104.208.34.118 IP adress. There are client, connected to this server, behind the NAT ...
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0answers
28 views

Cant configure NAT in iptables

Есть два сервера с линукс. Первый выполняет роль роутера, он имеет два сетевых интерфейса, один из которых подключен к интернету, другой к локальной сети. Второй сервер подключен к локальной сети. ...
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0answers
98 views

Failover Forward IP Packets with port from one server to another

Basically none of the solutions online have worked so far. Here's my setup: To simplify things, we're gonna assume it's a VNC server, My setup is a fully integrated OwnCloud and Ulteo. I've ...
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0answers
71 views

iptables - forward traffic to VPN client

Following Scenario: Router forwarding traffic on port 80 to Machine A Machine A 192.168.0.254 Running Owncloud on port 80 Connected to VPN Provider Machine B 192.168.0.123 can connect to ...
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0answers
32 views

Reverse port forward with tsocks IP-CAM client

I have an IP-CAM (Axis P1204) installed behind a strict firewall preventing any remote access. Axis P1204 supports no VPN and the only tunneling option left is using SOCKS5 proxy. Axis 1204 uses ...
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0answers
166 views

web server behind NAT cannot be accessed by the same network using NAT router IP or domain

I have 1 host server as NAT server, it has public domain name example.com tied to its public IP address PUB_IP_ADD. I have another web server behind NAT with IP address 192.168.1.100 and port ...
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0answers
83 views

Port forwarding by “Sharing Services” on ICS in Windows

The Problem I have a PC running Windows 7 (which will be replaced by a hardware running WinCE) connected to two networks. I am trying to expose a telnet server from one network to the other network ...
0
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0answers
37 views

Forwarding Requests through nginx

I'm going to use serve my static files such as html, js, css files in nginx web server. Also, there are some REST services on a Wildfly web server on port of 8080. My nginx's configuration file is: ...
0
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0answers
18 views

unnecessary MySQL port forwording for WAN connection

I have an application that have MySQL as back-end database server,but while I was scanning open ports using nmap, I recognized that the MySQL port had been forwarded to be accessed over a WAN ...
0
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0answers
748 views

Synology open for Cloud Station even if blocking 6690 port

I have a NAS Synology beyong my Internet Box. On the Internet Box, I have UPnP not activated and I have only activated on Port Transfer the following ports : 1701/UDP, 500/UDP and 4500/UDP which are ...
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0answers
66 views

Forward all connection to specific remote port to different host

I have the following setup: Local machine connected to intranet Proxy server connected to both intranet and internet through different interfaces Remote server I am forced to use an application on ...