1. Linux

Hi, i think someone has hacked my server, the following rules used to come which i haven't put. Please help me i couldnt find out how this rules are apply, i think someone has put an script which generates enables the rules. But after restarting the iptables everything seems to be working... (0 Replies)

2. Cybersecurity

Hi, There is a recent case whereby it was reported that one of the production servers was hacked on port 1521. However, I am not sure how this was possible, as I checked that the OS firewall (iptables) is on : # /etc/init.d/iptables status Table: nat Chain PREROUTING (policy ACCEPT) num ... (7 Replies)

3. Cybersecurity

Someone made a mistake, and left our router wide open, pointing all ports to a SCO 6.0.0 system. Within 24 hours, the following happened. The contents of all the files (except tar files) in three directories, one directory on each of three different file systems, were replaced with nulls. None... (3 Replies)