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6
votes
1answer
1k views

Postfix configuration - keep the envelops

I have a postfix server that delivers mail and send a copy of the outgoing mail to a second server for content analysis using the following configuration (addresses and IPs have been replaced): main....
2
votes
1answer
1k views

How do I fix the to address when forwarding with mail/exim?

I am using Debian Squeeze (I believe, the box doesnt really say) I config exim4 to use Gmail and put root: someuser in /etc/aliases then put my email address (name+box@gmail.com) in .forward. I ...
1
vote
3answers
591 views

Enabling IP forwarding at kernel compile time

I am compiling a kernel for a router. I know a way to enable IP forwarding in an existing Linux system. At compile time, CONFIG_IP_FORWARD is said to do the same task. I am configuring version 3.12....
1
vote
3answers
2k views

SSH Agent-Forwarding works, but what about sudo -u username no shell/ permissions? composer

Working on a remote server (A) I want to use my local SSH-Keys to access a repository on another server (B) that is not controlled by me. Generally this works like a charm. I log in as myUsername ...
0
votes
1answer
294 views

Forward traffic coming into dummy interface on to another interface(?)

Can I forward traffic coming into a dummy interface on to another interface? Or is it not a real interface at all even? Chain FORWARD (policy ACCEPT 0 packets, 0 bytes) pkts bytes target prot ...