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Flexible, RFC 1413 compliant Ident daemon with NAT support

oidentd is a flexible Ident daemon for Linux, FreeBSD, OpenBSD, NetBSD, and DragonFly BSD. It is highly configurable, allowing the system administator to define custom responses based on host and port pairs. The administrator can also grant capabilities to individual users to allow them to change their Ident replies, generate random replies, or hide their connections. oidentd supports lookups for NAT connections and is able to forward queries to other servers.

oidentd was originally written by Ryan McCabe in 1998. Since January 2018, it is developed by Janik Rabe, with contributions from a number of other volunteers.

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