The process of resending data to another location. Examples include email, packets, and connection attempts.

learn more… | top users | synonyms

25
votes
3answers
10k views

How does Router know where to forward packet

If several computers with local addresses (192.168.0.#) are connected to a router and each computer opens a web browser and requests a page over HTTP, when these TCP:80 packets are sent out, the ...
15
votes
2answers
24k views

Extra configuration required for ssh-agent forwarding?

This guide does a great job explaining how ssh-agent works across multiple systems. I'd like to get forwarding set up as it is in the last set of diagrams, but I'm having trouble tracking down the ...
10
votes
3answers
16k views

How to read email received on a Debian server

I have a VPS (virtual private server) running Debian Linux. When I login using PuTTY the console shows - "You have mail" I have no idea on how to retrieve this email. Which software do I need to ...
8
votes
6answers
49k views

Auto Forward mails to gmail from Outlook

I have a highly secured computer windows server 2003 where my outlook express is configured, i want to forward all the mails coming from Outlook to gmail. I put some auto forward rule in outlook but ...
5
votes
6answers
8k views

How can I automatically forward an e-mail and change sender?

I would like to set up an e-mail address that would forward all incomming e-mail and change the sender. Example: Random person sends mail to an account that I set up: From: ...
5
votes
4answers
2k views

Unexplained systematic forwarding to spam (and search engines) in Firefox/Chrome

I have a nuts issue with Firefox. Each time I do a search on Google, then right-click a link to open it in a separate tab/window, Firefox stalls for a couple of seconds, then opens some ...
4
votes
1answer
4k views

How to enable “packet forwarding” in OS X

How is it possible to enable packet forwarding in Mac OS X? Google gives me tons of hints for Windows and Linux but not for OS X.
4
votes
2answers
2k views

How to use sshuttle on a router running openwrt?

I'm using a TP-Link TL-WR1043ND router running OpenWrt and Gargoyle. I'd like to forward all traffic from my local network (served by the router) to a remote server transparently. Essentially as a ...
4
votes
3answers
12k views

How map/forward port under Ubuntu for other machine ? (localhost 555 -> 192.168.0.21:555)

Any idea how I can create a "virtual" listening port on my Ubuntu computer porting for remote IP? I mean, something like this. When I write telnet 127.0.0.1 555, I want to get a connection to ...
3
votes
3answers
2k views

Different network classes in the same physical network

Imagine one small network with one switch (or hub) and, say, 10 users. Is it possible that 5 of them would be in the 192.168.1.0/24 network and the rest 5 be in 192.168.2.0/24 network? Would there ...
3
votes
2answers
750 views

X11 forwarding with an already running window?

I'm trying to forward the X session to my Windows laptop (using Xming and putty), and I have no problem opening new programs such as gedit and having them forward, but how would I forward something ...
3
votes
2answers
878 views

Remote desktop to multiple windows machines on a LAN with dynamic IP

Is it possible to use remote desktop to connect to multiple computers inside a network that has a dynamic IP address? I use a netgear WPN824 router which has dyndns onboard - but I currently use ...
3
votes
2answers
2k views

How can I automatically edit an email before auto-forwarding it?

Is there a way to automatically edit emails before forwarding them? I'm getting email notifications from Foursquare that I want to send to my phone as text messages. I know how to send messages to my ...
3
votes
3answers
2k views

ssh X11 forwarding issue

I have put ForwardX11 in my ~/.ssh/config and then I start a X11 application like this: ssh -f user@host 'someapp; sleep 1' This works fine. The application someapp has a button which opens a ...
3
votes
2answers
1k views

Port Forwarding Apache Web Server

I am trying to setup my local pc to be visible to the WWW. I already use apache/mysql on my local pc - day to day but now i want to make it visible online. My real goal isn't to run a website but just ...
3
votes
1answer
245 views

SMTP on internal network

We a have a Qnap which uses the internal network. We would like to setup Qnap to send on notification emails to an internal smtp server something like 192.168.123.... which is connected to internet ...
3
votes
1answer
98 views

How to forward urls without ports from one machine to urls with ports on another machine

I'm new to sys administration, so I play some things virtually at home. And so, I have one virtual linux with two nodejs applications running there. They listen on two different ports. Lets call the ...
3
votes
2answers
3k views

Forwarding email as inline messages and not as attachments in Thunderbird

When I forward messages in Thunderbird 2.0.0, the forwarded message is sent as an attachment. Where is the setting so that forwarded messages are copied inline in the new message?
3
votes
1answer
70 views

SSH configuration forwarding

Is there a way/option/wrapper for ssh that will permit not only agent-forwarding but also configuration forwarding? For instance, consider a workstation and a server. The workstation ~/.ssh/config ...
3
votes
1answer
2k views

How can I access a VirtualBox host-only network from outside the host machine?

I'm using Vagrant to deploy a large virtual network environment for testing out some applications and network activity. I'm using host-only networking so I can define all the IP addresses in my ...
3
votes
1answer
2k views

Diagnosing problem on outlook 2010

I actually want to set my company's outlook (only way I can log into my company email) to forward every single message, sent or received, to my personal account automatically. I can do it manually, ...
3
votes
1answer
485 views

How to forward email for an entire domain to an email address using SRS (Sender Rewriting Scheme)

I have a domain for which I want to forward all email destined for addresses at that domain to a single email address. For example, I want to forward john@example.com and fred@exapmle.com and ...
3
votes
1answer
3k views

How can I tell if an email has been sent directly, or redirected on the way?

I've been receiving email from a company, but they claim I'm not on any of their email lists and that it must be getting forwarded by one of their clients. How can I determine whether or not the ...
2
votes
6answers
2k views

Dealing with email from another persons bad email forward

I have begun receiving a bunch of unwanted email of my gmail-account. It is not spam: most of it personal mails (birthday invitations etc.) or the usual "funny emails" some people forward to all ...
2
votes
4answers
16k views

Xauth/X11 ssh forwarding problem

When logging in with ssh -Y remotehost I get the following error message: /usr/bin/xauth: /home/hlovdal/.Xauthority not writable, changes will be ignored And xclock and similar fails to ...
2
votes
3answers
4k views

Forward a meeting request as a plain email message in Outlook 2010

Microsoft has documentation about turning an e-mail message into a meeting request, at least for Outlook 2003: Turn a message into a meeting request - Outlook - Office.com ...
2
votes
1answer
2k views

WRT54G Port forwarding is not working

I have setup port forwarding successfully before, but this time it just won't work. I am using a WRT54G v6 Router, with the latest firmware. In the port forwarding section, I have set the port range ...
2
votes
2answers
1k views

Using local programs on remote ssh session

Quite often when I’m accessing a remote shell via ssh, I’d like to have a look at some files not only with the remote computer’s vi but maybe with my own MacVim or some other program. Not necessarily ...
2
votes
2answers
173 views

Yahoo Mail forwarding?

Is there any way to have my Yahoo Mail forwarded to another email address, without getting Yahoo Mail plus?
2
votes
1answer
5k views

The best way to do TCP/IP over USB on Linux

I want to establish a TCP/IP link between two Linux machines that have several USB 2.0 ports as the only connection options. Since both host and slave ports are available, I can connect them via a ...
2
votes
1answer
50 views

Is there aSSH Remote Fowarding source restriction?

The following command will allow me to view Google.com on localhost:9999 ssh user@mywebsite -R localhost:9999:www.google.com:80 but the following command will not allow me to view Google.com on ...
2
votes
1answer
3k views

Hostmonster Subdomain redirected to home server IP: How to ssh into home server using subdomain

I setup a home server to play with. Instead of remembering the IP address, I created a subdomain on my hostmonster personal website (http://subdomain.domainname.com) and redirected it to point at my ...
2
votes
1answer
145 views

Email forwarding in Office365

One of our users has quit her job and didn't wait for the regular one month handover duration. So as a quick solution to this sudden change we decided to forward her emails to her manager for a short ...
2
votes
3answers
355 views

How should I ask for help in getting my emails to stop bouncing?

For several months, people have been telling me that emails they sent to me have been bouncing back, marked as undeliverable. The bounce message would contain portions like this: Final-Recipient: ...
2
votes
2answers
1k views

Linux Kernel Packet Forwarding Performance

I've been using a Linux box as a router for some time now. Nothing too fancy, just enabling forwarding in the kernel, turning on masquerading, and setting up iptables to poke a few holes in the ...
2
votes
1answer
587 views

How to forward ports through ssh and nat to another machine

I have a problem when using ssh port forwarding and nat simoultaneously. Situation: Machine A runs a webserver on port 8080 Machine B is a raspberry pi which works like a little router. It has two ...
2
votes
0answers
457 views

How to forward an e-mail and add the original sender to Reply-To?

When forwarding an e-mail how to configure e-mail clients to put the address of the original e-mail sender (From:) to the Reply-To: (or different) header? I am looking mainly for a solution for ...
2
votes
1answer
369 views

SSH tunnel opened with autossh closes every few days

I keep an ssh tunnel open with autoSSH. Every few days the tunnel seems to sporadically close. I do a ps -ef | grep autoSSH, and autoSSH is still running. Occasionally autoSSH will output ...
2
votes
0answers
282 views

centralized growl forwarder

Multiple services on servers I'm running can be configured to output growl notifications, I'd like a centralized forwarder to run on a Linux box I'm looking for either an implementation or tips on ...
2
votes
1answer
647 views

Automatically edit specific section out and forward emails

Is it possible to automatically strip unwanted text out of a message body and forward it to another email address? I currently receive a weekly list of songs to play on my radio show in a list from 1 ...
2
votes
2answers
2k views

Fedora 20 FirewallD GUI not working on X11 forwarding

I am having a problem with SSH X11 forwarding on Fedora 20 with firewall-config, the GUI tool for FirewallD (the dynamic firewall system). With most X11 GUI applications including pretty much all ...
1
vote
1answer
80 views

Cannot access myself with global ip, others can

I don't really know how to phrase this better, so I'll just point out what works and what doesnt: a) I can access my service through 127.0.0.1:port b) My friend can access my service through ...
1
vote
2answers
180 views

Routing External HTTP Traffic to multiple machines within my network

This is obviously possible because its what all webfarms do, however I'm not a webfarm. I do have pretty good technical ability primarily windows, but would happily setup a simple linux box to ...
1
vote
3answers
1k views

IPv4 forward on windows?

Is there anything that can forward/redirect all incoming traffic to another ip. Basically I'm looking the windows equivalent of ip forwarding in linux. echo "1" > /proc/sys/net/ipv4/ip_foward
1
vote
3answers
8k views

Can I change the “Reply to:” options on iPhone?

My work uses Microsoft Exchange. I can not receive this mail on my iPhone because my exchange account slot is being taken up by my Google Sync account. I can't seem to get IMAP or POP to work for ...
1
vote
1answer
697 views

How to redirect iPhone traffic over MacBook to sniff packets

I was somewhat curious to inspect packet exchanging between my iPhone and apps/other stuff, so I manually set its gateway to my laptop. I enabled port forwarding on my MacBook, and turned on ...
1
vote
2answers
1k views

Windows: How to forward all traffic to a Socks Proxy

i'm using putty to setup a socks proxy on my computer. i firefox i configure the socks proxy so that i can surf. but i have to do this for every programm i want to surf the internet. now, i would ...
1
vote
1answer
48 views

Forward two different websites to the same server

I'm pretty new in webserver management. So I rented this server, and setup a LAMP server with MySql and everything is alright in that sense. The problem is now that I have two different domains (say ...
1
vote
2answers
214 views

Different packet sizes on Wi-Fi and 3G interfaces while tethering

I am using an application called android-wifi-tether on a mobile phone. My laptop is connected to the phone over Wi-Fi and the phone is connected to Internet over 3G. I am using tcpdump to sniff ...
1
vote
1answer
6k views

How to forward packets between two interfaces?

My laptop (use's Ubuntu 13.10) is connected to internet using a wired connection at eth0 with ip 192.168.42.13 and it also acts as a wifi hotspot at wlan0 with the ip 192.168.1.1 (i used airbase-ng to ...