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KRIPP is a very simple and extremely lightweight network passwords sniffer written in Perl, which uses only the tcpdump utility as an underlying traffic interceptor. Supported protocols are ICQ, POP3, FTP and HTTP.

Knocker is a simple and easy to use TCP (no UDP yet) security port scanner which is able to analyze hosts and all of the different services started on them. (Console version)

libgpg-error is a library that defines common error values for all GnuPG components. Among these are GPG, GPGSM, GPGME, GPG-Agent, libgcrypt, pinentry, SmartCard Daemon and possibly more in the future.

KSBA = rot13(digit_to_letter(x509)) to be pronounced as Kasbah KSBA is a library to make X.509 certificates as well as the CMS easily accessible by other applications. Both specifications are building blocks of S/MIME and TLS.

The netpgp command can digitally sign files and verify that the signatures attached to files were signed by a given user identifier. netpgp can also encrypt files using the public or private keys of users and, in the same manner, decrypt files which were encrypted. The netpgp utility can also be used to generate a new key-pair for a user. This key is in two parts, the public key (which can be used by other people) and a private key. In addition to these primary uses, the third way of using netpgp is to maintain keyrings. Keyrings are collections of public keys belonging to other users. By using other means of identification, it is possible to establish the bona fides of other users. Once trust has been established, the public key of the other user will be signed. The other user's public key can be added to our keyring. The other user will add our public key to their keyring.

This is the libsectok library from citi.umich.edu. Originally targeted for OpenBSD. This is a quick port of the library itself; it contains an API for working with ISO 7816 Smart Card devices.

Mails anomalies in the system logfiles to the administrator. Logcheck helps spot problems, anomalies and security violations in your logfiles automatically and will send the summaries to you via e-mail. Logcheck is run as a cron job.

MailZu is a simple and intuitive web interface to manage Amavisd-new quarantine. Users can view their own quarantine, release/delete messages or request the release of messages. MailZu is written in PHP and requires Amavisd-new version greater than 2.3.0.

masscan is a very fast port scanner. Using masscan, you can get results similar to nmap. And masscan is not only faster than other scanners, also more flexible setting for address and port ranges.

PeerSec Networks MatrixSSL is an embedded SSL implementation designed for small footprint applications and devices. PeerSec Networks offers a fully supported, commercial version as well as an open source version that is available for download.