I am new to iptables.
What I need to do is, to block any access from some ip addresses.
I know that I can use: iptables -A INPUT -s <ip> -j drop
But then, I must write one by one for ...
Dear All.
I have strange problem with SSH on UML (user Mode Linux).
The network is simple
[host]-------------------[uml]
I cannot :
* ssh from the uml to the host
* ssh to the um...
I have the following setup:
One computer running Slackware 9 with IPTables 1.2.7a protecting a small home network with 4 computers on it. One of these computers (192.168.10.2) is running Win...
I have a RHEL 4.6 rack mount server running NX Server 3. I am using this for some testing purposes, but I don't want to sit in the server room. I'd like to sit at my desk and remotely work on ...
I'm not shy to admit that I'm new to security, but I am making my best attempt at keeping my servers safe. I'm running vsftpd and I've read that passive mode should be used instead of active ...
I was creating a firewall with firewall builder, and accidentally installed a firewall that won't let me do anything. (oops...)
How do I reset iptables to allow me to get back to normal? I ...
Hi All,
Ok, I'm trying to secure up sendmail's relaying capability.
Here's what I want to do:
Have local users on the network be able to send email thru my email server.
Have remot...
I want to forward all port 80 to a internal server, but can't make it work. My config are as follows:
The iptables server:
eth0 : 2xx.xxx.xxx.37
eth0 : 2xx.xxx.xxx.38 (alias)
eth1 : 192...
We are in the process of setting up a Dell Poweredge 2850 with Red hat Enterprise Linux 3 to be our Disaster Recovery server.
Our production data is on an IBM 7026-H80 running AIX 4.3.3.
To ...
I understand that the below indicates a "TCP protocol violation by a box on the other end". That does not mean hacking to my server correct? I'm suspecting that the below has something to do w...
Hi,
I am trying to setup a spam filter gateway. We have iptables firewall running on Linux box. Our firewall is connected to the public internet and ip addresses behind firewall are publi...
Doing a :
./snort -d -l /var/log/snort -h 172.16.1.0/24 -c /root/snort-2.8.4.1/etc
then I open up a separate terminal window and do a tail -f /var/log/snort/alert and nothing shows up....
Hi,
I'm currently using RedHat 7.2 & 7.3. I use ssh to connect to the linux servers. Recently I have disabled the reverse name lookup in the DNS server and now whenever I try ssh to the lin...
i am setting up SNORT for this i need ,apache,php,mysql,and acid. on rh9.
iI am upto installing PHP and this is what happend
root@linbox php-4.3.3]# ./configure --prefix=/www/php --with-ap...
Hi All,
I'm trying to configure ssh to log in without any password on the same box. Assuming the box name is : test123 and the OS user is : oracle, the following line should work without pr...
Hello all, I want to block all bittorrent traffic passing through
my gateway server. Want to use only iptables not p2p patched kernel
module.
eth0 --------- Internet
eth1 --------- Local
...
Dear Experts,
I have installed a firewall and have enabled it and have blocked all incoming traffic. I have looked at the log file and minute I am getting about 3 entries:
Jan 25 18:10:...
How can I setup iptables rule to redirect all outbound http/https requesets to Symantec Web Security software operating on another server? I have a client with two gateways to the Internet. On...
Hi all,
I have a client that wants to set up an automated process to get and retrieve files from our ssh server without being prompted for passwords. So I got their ssh key and set it up. A...
I have set up a mail server at work using Linux and the internet as my guide. I am completely new to Linux but managed to get everything working somehow....
Now I get my daily LogWatch ema...
I am using Linux 9.0 & squid as an Internet Gateway with two network cards eth0 (public IP) and eht1(Private IP) and Exchange2000 as an e-mail server which is on private IP. By using IPtables ...
dear, all
my server's being under heavily attacked. my server's OS: linux whitebox with iptables, apache2.0
i've configed my kernel with appropriate parameters to prenvet SYN flood as well a...
how can i uncompresss .7z files in fedora 12
Hi
I require my user 'www' to run the command '/sbin/service crond restart' without having to use the root password.
How do I write this in /etc/sudoers?
Thank you
tr5
Dear Experts,
My linux server is hacked by a hacker.
He replaced all my client's index pages, including sub-folders.
(It seems he can use my server to scan other's ports too, and it gener...
