Security

Specify permissions or setting umask for files uploaded through SFTP

Tags: file permissionssftpumask

Published on : October 21, 2014 by

Specify  permissions or setting umask for files uploaded through SFTP

Umask is used to remove additional permissions of files which are copied to the server. If the file has 777 permission on the source and uploaded via sftp using -p or -P option, the permission will be preserved. It can be used in SFTP to change permissions of files. For SFTP change permissions after uploading the […]

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How to disable mod_sec2 for a domain in cPanel Server

Tags: ApachecPanelmod_security

Published on : September 17, 2014 by

How to disable mod_sec2 for a domain in cPanel Server

Disable Mod security for an account was easier in Mod_security v 1.x, you just had to add the following lines in the .htaccess file for that account’s public_html directory : SecFilterEngine Off SecFilterScanPost Off This will no longer work as Mod_security 2.x was been started to use in newer WHM/cPanel versions. In this article, we […]

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Apache: identify number of connections from a specific IP

Tags: ApacheIPnetstat

Published on : September 10, 2014 by

Apache: identify number of connections from a specific IP

Some times the webserver become loaded heavily due to large no. of inbound connections and makes the server sluggish or non-responsive. This is quite evident during DOS or DDOS attacks.In DDOS attack detection you can use the following script to identify the IP and the no. of connections active on a server using the following […]

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Fix Maldet “Lightning Scan” Issues

Tags: maldetmalware

Published on : August 4, 2014 by

Fix Maldet “Lightning Scan” Issues

Scenario Sometimes you will see a maldet scan gets finished at the very moment it was initiated. Moreover nothing will be detected after the ‘lightning scan’. Well, that’s not normal. root@server [~]# maldet -b -a ~user Linux Malware Detect v1.4.1 (C) 2002-2011, R-fx Networks <proj@r-fx.org> (C) 2011, Ryan MacDonald <ryan@r-fx.org> inotifywait (C) 2007, Rohan McGovern […]

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LDAP CONFIGURATION FOR USER AND GROUP CENTRALISED AUTHENTICATION ON UBUNTU LTS 12.04 – PART-3

Tags: encryptionldapsslstarttlstls

Published on : June 18, 2012 by

LDAP CONFIGURATION FOR USER AND GROUP CENTRALISED AUTHENTICATION ON UBUNTU LTS 12.04 – PART-3

TLS Authentication of LDAP sessions: Till now all the sessions made by the LDAP client to the server is open and not encrypted. Its time to make our LDAP client-server sessions encrypted by some mechanisms. The most common encryption method includes Transport Layer Security (TLS) and/or Secure Sockets Layer (SSL) encryption. Here, we are using […]

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