Post here for help with Linux security issues: antivirus, firewalls, encryption, vulnerabilities, etc
Here at linuxforums.org we are often asked about the potential threat of a virus or malware attack. This short guide is designed to answer some of...
I noticed a few files in /usr/bin have the a stickybit set sudo sudoedit newgrp passwd mtr gpasswd are they supposed to have a stickybit...
Dear Scortto, What I would like do first to add new user and allow new user to both actually ftp and ssh to my server. The...
Not sure what's going on here, but I can't seem to figure out which process is generating this traffic. Couple of questions: 1. How do I trace...
Hello, I've watched that when auditd is killed, every log message is then copied to the console tty. Is it normal and is it any way to change this...
Firestarter's log this morning... (Ubuntu 910)... Time:Sep 21 07:02:15 Direction: Unknown In:eth0 Out: Port:445 Source:94.53.75.92 Destination:...
Hi, I configured an iptables and I don't dare to make it permanent because when I activate it my system becomes very slow. For example when I...
Hi, Following a migration of my network from FreeBSD to Linux, I'm attempting to translate some PF rules into iptables syntax. The following...
Hi folks, I have a tricky one here where i need to find a way to securely authenticate a decryption mechanism of some sort where the...
Hey guys, please can you tell me what the following means? ABORTED IN=eth0 OUT= MAC=00:1b:24:af:dc:a4:00:30:bd:6d:58:aa:08:00 SRC=91.198.174.234...
how to block an IP do illegal ssh on my server? some one do brute shh to login my root.. I read old posted in this forum use this method: or ...
Hi, i am using denyhost software version2.6.mu my OS is redhat linux 4.2 and python version i amusing is 2.4.1.i was installed the denyhosts...
Dear all, I've 2 problem with my new network infrastructure (I think!) I show you a basic plan of my network. First problem: Sometimes I lost...
I've recently installed Firestarter Firewall on my Ubuntu Desktop and Laptop. Since then I have noticed that on my desktop the events page of...
Hi I want to get a of log all the commands executed by the root user with the following details : incoming ip username (thru which su was...
I have a problem with a iptables firewall, if I use this file below I have limited internet access. ie I can't use google.com or google.co.uk as a...
Dear All, I am having a web server (apache) hosted with 3 web sites, named as www.web1.com, www.web2.com and www.web3.com. I need to restrict...
I have only just re-installed my copy of Ubunutu and wanted to tighten up on security so i got Rkhunter and here is the output log of my first run. ...
ok, so I just port scanned this server, and it is showing that just about every port is open. Are all these ports really open? or is this some kind...
Hey everybody I've read this forum for a while now, but never posted..so here goes post #1. I am trying to create a simple iptables configuration...
Hello, I have very strange things with selinux. My post may be will bit disordered, because I'm not completely understand what is going on. Before...
Use this control to limit the display of threads to those newer than the specified time frame.
Allows you to choose the data by which the thread list will be sorted.
Order threads in...
Note: when sorting by date, 'descending order' will show the newest results first.
Forum Rules