Tags » SysAdmin

Top 10 System Administrator Truths - Updated

Evan Erwin back in 2005 wrote a block “Top Ten System Administrator Truths”. I’ve updated his list with a few caveats as well as notes as to which of his truths are now more universal than the examples he cited. 825 more words

An IE In IT

How we shaved the poodle

In this post I’ll describe how we used CFEngine to apply fixes to apache and nginx to defuse the infamous poodle bug. The post is a bit rushed, in the hope it may still be useful to someone. 1,358 more words

Syslog

Howto detect and disable weak ciphers and SSL 2.0/3.0 in Apache (PCI Compliance, poodlebleed)

SSLProtocol all -SSLv2 -SSLv3
SSLHonorCipherOrder on
SSLCipherSuite "EECDH+ECDSA+AESGCM EECDH+aRSA+AESGCM EECDH+ECDSA+SHA384 EECDH+ECDSA+SHA256 EECDH+aRSA+SHA384 EECDH+aRSA+SHA256 EECDH+aRSA+RC4 EECDH EDH+aRSA RC4 !aNULL !eNULL !LOW !3DES !MD5 !EXP !PSK !SRP !DSS"
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SELinux Booleans

The list below is from CentOS 5. There are a few booleans on CentOS 4, which you also might find in the list below. The system-config-selinux on CentOS 4 cannot deal with booleans. 3,908 more words

Sysadmin

RHEL / Centos 6: Install Nginx Using Yum Command

RHEL / Centos 6: Install Nginx Using Yum Command

by nixCraft on January 7, 2013 · 6 comments· LAST UPDATED January 7, 2013

in… 639 more words

Sysadmin

Apache htaccess: Add Cache-Control header per file type

This tip is specially useful if you are serving a static file using Apache.

I know a lot of you may say, why not use Nginx? 190 more words

Sysadmin

Pengamanan mendasar pada Server CentOS menggunakan mod_security

Hacker, mungkin istilah ini sudah tidak asing lagi ditelinga kita semua. Kepiawannya dalam mencari celah keamanan serta mengeksploitasi celah keamanan tersebut agar dapat menyusup masuk ke sistem (Server), pastilah dimiliki oleh seorang Hacker. 466 more words

Sysadmin