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Archive of posts filed under the networking category.

OpenVPN LDAP authentication

Authenticate VPN users against LDAP

Load balancing and HA for multiple applications with Apache, HAProxy and keepalived

A common load-balancing setup, with some notes.

Bidirectional full-cone NAT (bleah)

This shouldn't be done, but sometimes you don't get to choose.

Poor man’s HTTP VPN

Send IP traffic over HTTP.

DNSSEC verification with dig

Perform DNSSEC verification from the command line.