Category Archives: Security

Tutorials on Network Security

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How to fix OpenVPN DNS Leak on Ubuntu

By | January 12, 2023

DNS Leak DNS Leak is commonly seen in vpn connections, when all the http traffic goes through the vpn tunnel, however the dns queries go directly to system/isp dns servers bypassing the vpn tunnel, which breaks the privacy protection offered by the vpn. Unless dns leaks are fixed, you are not fully privacy guarded in… Read More »

How to Sniff Http Post data with Wireshark

By | August 1, 2020

Wireshark Wireshark, the most powerful packet sniffer and protocol analyser can be used to sniff data out of the captured packets for various protocols. Network communication takes place in packets and any request like http get/post is broken down into multiple packets and then transmitted to the remote webserver. Wireshark has the ability to reconstruct… Read More »

Hack remote adsl routers

By | May 15, 2013

Adsl Routers Adsl routers are very common now a days as the primary hardware device used to connect to broadband connections. The modems connect to the broadband service using the username/password. Then the pcs connect to this router to form a local area network. The pcs use the router as the primary gateway to connect… Read More »