Hi,
kindly let me know how to block the port using RHEL inbulit firewall
Thanks in advance
Naresh
I just executed following commands on my command prompts.
iptables -I INPUT 1 -p tcp --dport 80 -m string --string "linuxhq.com" --algo kmp -j DROP
iptables -I INPUT 1 -p tcp --dport 80 -m s...
I'm looking for input on "problems" removing root from the sudoers file. We have our normal users in sudoers (us admins), I have read that having removing root from sudoers prevents users from...
I want to edit the contents of RAM just as if it were a file on my harddrive. For example, I want to be able to ask the OS the memory space(s) allocated to a certain process. Then, I want to...
I Have Install Linux RedHat 9.0 On My Computer I Assign 10GB Out Of 40Gb For Linux RedHat 9.0 And Remaining 30Gb For Windows98 And Make It Fat32 Now I Want To Access Fat32 Partition Within Red...
Hi there,
I had my server hacked , I found this script that was run as root:
#!/usr/bin/perl
# Data Cha0s Perl Connect Back Backdoor
# Unpublished/Unreleased Source Code
use Socket;...
VERY MUCH A LINUX NEWBIE.....just working w/gui right now!
anyhow, purchased redhat linux workstation version 3 last year. never installed until now. ran typical installation and accepted...
Experts,
Is there a way to stop vsftpd from flooding connections?
This is the logs:
Jan 1 09:17:24 gateway vsftpd: (pam_unix) check pass; user unknown
Jan 1 09:17:24 gateway vsftpd: (p...
Hi.
I would like to know how I can log the commands people type in when they log in through SSH.
We are already monitoring FTP access to automatically log file changes/uploads, but with ...
Hello, I have a linux box that is a router/gateway running iptables rule sets. I have setup a dynamic dns account at www.no-ip.org. This runs a client on my laptop that updates my record at no...
Hello,
We are using Squid as our proxy server. If someone goes to a site which has a pop up logon window, this pop up never comes up and the page says access denied from the server. This is...
Hello all.
I have a windows 2000 server that acts as a DHCP server, file server, DNS server, VPN server, and runs exchange for email. Well, it got the worm this weekend and had our web acce...
i have a linux router...in my linux router...i have snort, firewall script...my second nic is connected to switch and then from switch to my LAN...so i want if on of the client in LAN typing s...
Running RHEL 4 / SAMBA 3.0.10 on my server. I set up several unix users added shares, smb.conf looks good. Created two groups users and pca. Added users to samba with full access. The issue, u...
Hello,
I have read some about iptables but it is getting complicated everytime. Maybe the subject is not a one time pill for me. We have a CentOS 4.5 installed box running whm.
I just ch...
Hi,
I work at a hosting company. Can anyone give some help/explanation for the following output?
I ran the command:
# netstat -an | grep EST
I got this in the results:
tcp 0...
I'm looking at a system that has open root access, ie no password or any authentication required. I need to secure this box but I'm not sure how one would setup a box to require no password f...
I'm lloking fore the instructions step-by-step to configure a Linux 10 Enterprise Server as RAS Server (Dial-Up Access only) including the setting for MTU & MRU, to provide access to my networ...
hello,
should an application userid (e.g. an ftp user id) be allowed to login to the shell? Would it really need that privilege? The way I see it, is this is an opportunity for an attacker...
I have put up IPCop with Green/Orange/Red. Everything is working fine. Except the Web-Server (IIS). When I try to contact the web-server via the web, at first I get the login-page, but then wh...
hello
i want to redirect some of the http connections coming from internet to our apache server located in our DMZ to the app server - running under apache/php- located in our LAN. our fi...
Dear All,
I try to find (free) Unified threat management (UTM) which implement on linux distros like Astaro. I found ipcop and monowall. But anyone has any comment about this stuff.
...
I have forget the redhat6.2 passsword,now i go to rescue mode and type command
chroot /mnt/sysimage but it is showing me error....
"cannot change root directory to /mnt/sysimage:No such file...
I wanted to collect syslog messages on one machine using syslog-ng. The server box is a SuSE linux 10.1 machine and syslog-ng 1.6.8-20.18. Documentation states that I can use a macro ($HOST)...
When installing the new version of Mod Security this is what I get at the last few lines of the installation then it fails.(Goes Back To Prompt) I already have a previous version installed and...
