Tagged Questions
3
votes
2answers
258 views
Meaning of log entries from an iptables configuration
My router has Linux as its OS. The system log has a lot of rows about iptable and klogd that I don't understand, could someone explain them to me?
The iptables setup:
iptables -t nat -A PREROUTING ...
3
votes
1answer
275 views
User associated with a socket
I use ss -p to see TCP sockets information. But process info are not printed for some sockets. Below:
$ ss -p4
State Recv-Q Send-Q Local Address:Port Peer Address:Port
ESTAB 0 0 ...
1
vote
1answer
447 views
Port Mirroring in Fedora?
I have set up an application that listens constantly to a port for network packets, and I would like to create another one that receives the same network packets ( for use as a test bed). Getting the ...
4
votes
3answers
1k views
IPTables and transparent proxies
I have set up a local, transparent TCP proxy on localhost. I want to redirect ALL TCP traffic to this proxy, so it can handle it and nothing "leaks out," circumventing the proxy. I need to use ...
4
votes
1answer
2k views
iptables port-mirroring
I need to be able to get a copy of packets received on port 8001 to port 8002. I have tried the following but I get an error that --tee is undefined.
sudo iptables -t nat -A PREROUTING -p TCP -s ...
