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...
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...
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...
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 ...
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...
I have an Ubuntu box with 3 nics in it. 2 of them are bridged for use with Squid. The 3rd nic is on a different network. I only want to use this for SSH into the box. The problem is, all web t...
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 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...
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...
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 ...
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 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 ...
Is there an easy way in Linux os to change permission on (chmod) all my folders and files in group instead of one file or one folder each time?
Thank You
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
I am using an IBM T60p and VMware workstation and I would like to use Backtrack 3 for security testing of my customers wireless networks. This is the 1st time I have tried to use VM for this ...
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...
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...
Hello everyone,
I really need some help or guidance in setting up radius server for integration with my Linux firewall...namely ZEROSHELL.
Thanks,
I am trying to connect our server to another via SFTP to send files securely, and I would like to automate this connection. Whenever I connect to the remote server with the username assigned ...
Hello,
I am trying to setup an iptables firewall on a slackware 9 box, running the 2.6.4. kernel. I want to upgrade from ipchains on slack 2, running on my old 486 :)
I would like to allow...
My Linux firewall has 3 interfaces eth0 to Internet, eth1 to local LAN (192.168.1.0/24) and eth2 to DMZ (192.168.2.0/24)
In the DMZ area I have a FTP server (192.168.2.253). The FTP server in...
I have 2 server. Server A ( 192.168.0.11 - secure ) and Server B (10.0.11.2 -dmz ). From Server B i do ftp to Server A. If i stop the iptables service at Server B, i can ftp and view directory...
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...
How does one use iptables to restrict ssh access to clients within the subnet?
I assume this will also restrict other services such as ftpd and svnserver that use ssh
