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Tag: ipsec

MTU and MSS for IPsec Overhead

A Deep Dive and Byte-for-Byte breakdown of IPsec overhead to aid in calculating MSS Clamping, understanding why it’s needed, and its effects. Whats the difference between MTU and MSS? MTU or Maximum Transmission Unit is the largest IP Payload an interface can accept. It applies to the whole IP Packet.…

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sonicwall’s IPsec and linux

Sonicwall’s are pretty common in my ecosystem. Maybe it’s dell country, maybe it’s just all the small businesses. But Sonicwall is definitely on the windows agenda. There’s the Net-extender app which is supposed to work on linux/unix machines, but I’ve had mixed success. There’s a few open source options out there…

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