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ipfw2shield is a DShield client for ipfw logs, i.e., it inspects the firewall logs and can mail security reports to dshield.org

The Courier Authentication Library is a generic authentication API used for two purposes: 1. Read the name of a mail account. Determine the local account's home directory, and system userid and groupid. 2. Read an account name, and a password. If valid, determine the account's home directory, system userid, and groupid.

httprint is a web server fingerprinting tool. It relies on web server characteristics to accurately identify web servers, despite the fact that they may have been obfuscated by changing the server banner strings, or by plug-ins such as mod_security or servermask. httprint can also be used to detect web enabled devices which do not have a server banner string, such as wireless access points, routers, switches, cable modems, etc. httprint uses text signature strings and it is very easy to add signatures to the signature database.

amavisd-new is a performance-enhanced daemonized version of amavis-perl Note that the installation is different than the original package, and the integration into your MTA can be different, so please read the README and INSTALL files very carefully. amavisd-new also supports SpamAssassin integration.

An automated password generator, using several strong algorithms for random and/or pronounceable password generation, and a built-in pseudo-random number generator.

k5start is a modified version of kinit that can use keytabs to authenticate, can run as a daemon and wake up periodically to refresh a ticket, and can run single commands with their own authentication credentials and refresh those credentials until the command exits. It is commonly used to maintain Kerberos tickets for services that need to authenticate to minimize the amount of Kerberos-related logic that must be in the service itself.

The Blowfish Library Blowfish is a block cipher that operates on 64bit (8 byte) quantities. It uses variable size key, but 128bit (16 byte) key would normally be considered good. It can be used in all the modes that DES can be used. This library implements the ecb, cbc, cfb64, ofb64 modes. Blowfish is quite a bit faster that DES, and much faster than IDEA or RC2. It is one of the faster block ciphers. -- Jim Geovedi jim@corebsd.or.id

knockd is a port-knock server. It listens to all traffic on an ethernet (or PPP) interface, looking for special "knock" sequences of port-hits. A client makes these port-hits by sending a TCP (or UDP) packet to a port on the server. This port need not be open -- since knockd listens at the link-layer level, it sees all traffic even if it's destined for a closed port. When the server detects a specific sequence of port-hits port-hits, it runs a command defined in its configuration file. This can be used to open up holes in a firewall for quick access.

libfprint is an open source software library designed to make it easy for application developers to add support for consumer fingerprint readers to their software.

lsh is a client that can connect to the corresponding lshd server. It uses the SECSH protocol, which means that it is compatible with SSH 2.0, except for file transfer, which is not part of SECSH. SECSH uses compression and encryption algorithms that are unencumbered, and lsh itself is GPL. lsh is not as feature-rich as OpenSSH, as it doesn't currently support password-protected keyrings, the SSH 1.X protocols, TCP wrappers, etc. On the other hand, it doesn't require OpenSSL, and doesn't take a lot of work to avoid patented algorithms. Port author's notes on usage and common problems can be found at