user788171 - Developer IT

centos iptables, restrict tcp port to specific ips

- by user788171

I would like to modify the iptables on my CentOS 5.8 server so that only specific ips can connect to the machine on a specific port. Currently, I have the following in my iptables file: -A RH-Firewall-1-INPUT -m state --state NEW -m tcp -p tcp --dport 5000 -j ACCEPT How would I modify that line if I wanted to allow access for only ips 1.1.1.1…

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prevent filesystem from entering read-only mode

- by user788171

I have found that my server's filesystem is continuously entering read-only mode. There have been some issues with the raid1 array, but I have removed the bad disk from the array. However, it is still physically plugged into the system because I haven't had a chance to go over to the datacentre, I suspect udev and the system kernel is still…

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CentOS5 python wrong ELF class: ELFCLASS32

- by user788171

Has anybody ever encountered this wrong ELF class error? The failure is provided in more detail below: [root@nocloud ~]# system-config-users Traceback (most recent call last): File "/usr/share/system-config-users/system-config-users.py", line 25, in ? import libuser ImportError: /usr/lib/python2.4/site-packages/libusermodule.so: wrong…

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iptables, allow access from certain MAC addresses

- by user788171

Presently, I limit which clients can access my server by using IP addresses via iptables, only approved IP addresses can connect. However, the problem with this is if a client is on a laptop and goes to a different location, they can no longer connect because the IP has changed. For a variety of reasons, iptables authentication is the only…

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does mod_rewrite output have to exist?

- by user788171

I am trying to use mod_rewrite to generate cleaner urls. I have the following in my .htaccess Options +FollowSymLinks RewriteEngine on RewriteBase / RewriteRule ^mypage.php$ https://%{HTTP_HOST}/mypage [R=301,L] The objective is to go from https://mysite.com/mypage.php to https://mysite.com/mypage This gives me a 404 error. I don't…

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