0
votes
1answer
166 views

network gateway can't see traffic for monitoring

I've just setup a new CentOS 6.4 machine to act as a default gateway for the LAN at head office. It's primary task is simply to route traffic to the appropriate place, ie VPN servers or the firewall ...
3
votes
1answer
463 views

Enabling TCP md5 signature option in centOS?

I'm trying to enable md5 checksum/signature for tcp packets in centOS (the main use case to stop tcp RST attacks, etc). It seems like I may be able to do this for individual ports using netcat or via ...
2
votes
1answer
1k views

Easiest way to install Packetfence or similar onto my network

We have a simple small business windows network with very basic internal security. We are a small college and want to provide access to the internet to your student body, but not to the internal ...
2
votes
3answers
872 views

arp table filling up

I have a CentOS 5 system which serves as an IPSec VPN connector between my network and a couple of remote networks. Lately it is running into this problem once or twice a day where its ARP cache gets ...