Contact us Category listing - security
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aide Free intrusion detection system for checking file integrity
aide06 Older intrusion detection system for checking file integrity
amap Applications and Services scanner
amavis-perl Mail virus scanner
amavisd-new daemonized interface between MTA and content checkers
antonym Anonymous nymserver account maintenance tool
ap-modsecurity Intrusion detection and prevention engine for web applications
ap-modsecurity2 Intrusion detection and prevention engine for web applications
apg Tool set for random password generation
arirang Powerful webserver security scanner
avcheck Mail content filter for SMTP servers
base Analysis engine to process a database of security events
Bastille System hardening tool focusing on educating the user
bcrypt Cross platform file encryption utility
beecrypt Multipurpose cryptographic library
bitstir Entropy restoration daemon
botan Portable, easy to use, and efficient C++ crypto library
caff Various GnuPG related tools
ccid Middleware to access a smart card using SCard API (PC/SC)
cfs Encrypting file system, using NFS as its interface
chkrootkit Locally checks for signs of a rootkit
CoolKey Driver support for the CoolKey and CAC products
courier-authlib Courier Authentication Library
crack The Sensible Unix Password Cracker
crypto++ Free C++ class library of Cryptographic Primitives
CSP Simple PKI Toolkit
cvm Credential Validation Modules
cy2-anonymous Cyrus SASL ANONYMOUS authentication plugin
cy2-crammd5 Cyrus SASL CRAM-MD5 authentication plugin
cy2-digestmd5 Cyrus SASL DIGEST-MD5 authentication plugin
cy2-gssapi Cyrus SASL GSSAPI authentication plugin
cy2-ldapdb Cyrus SASL LDAPDB authentication plugin
cy2-login Cyrus SASL LOGIN authentication plugin
cy2-ntlm Cyrus SASL NTLM authentication plugin
cy2-otp Cyrus SASL OTP authentication plugin
cy2-plain Cyrus SASL PLAIN authentication plugin
cy2-sql Cyrus SASL SQL authentication plugin
cyrus-sasl Simple Authentication and Security Layer
cyrus-saslauthd Cyrus SASL plaintext authentication daemon
ddos-scan Scan for a limited set of distributed denial of service (ddos) agents
destroy Program to securely destroy files on the hard disk
dirb Web Content Scanner
dirmngr X509 certificate and CRL downloader
dropbear SSH2 server, aimed at embedded market
dsniff Password sniffer (webspy)
dsniff-nox11 Password sniffer
EasyPG GnuPG interface for emacs
egd EGD: Entropy Gathering Daemon
ettercap (V) Multipurpose sniffer/interceptor/logger for switched LAN
flawfinder Python program to find flaws in C/C++ programs
fprot-workstation-bin F-prot antivirus for home users
fragroute Tool for intercepting, modifying and rewriting egress traffic
fsh Fast remote command execution
fwbuilder Firewall Builder GUI
fwbuilder21 Firewall Builder GUI
gnome-keyring GNOME password and secret manager
gnome-keyring-manager GNOME password and secret manager
gnu-crypto GPL implementation of the Java Crypto Extensions
gnupg GNU Privacy Guard, public-Key encryption and digital signatures
gnupg2 GNUpg with OpenPGP and S/MIME capabilities
gnutls GNU Transport Layer Security library
gpa GUI frontend to gnupg
gpass GNOME Password Manager
gpg2dot Converts your GnuPG keyring to a graph of associations
gpgme GnuPG Made Easy
gpgme03 GnuPG Made Easy (0.3 branch)
gsasl GNU implementation of the Simple Authentication and Security Layer
gss GNU Generic Security Service Library
gtk-systrace GTK interface to systrace(1)
hackbot Vulnerability scanner written in Perl
hashcash Hash collision based postage stamp
heimdal Kerberos 5 implementation
honeyd Small daemon that creates virtual hosts on a network
honeyd-arpd ARP daemon for honeyd
hydan Steganography tool for covert comms, signing and watermarking
hydra Login password cracker
ike-scan Fingerprinting IKE implementation
ipsec-tools IPsec-tools racoon IKE daemon
isakmpd OpenBSD IKE daemon
jessie GPL implementation of the Java Secure Sockets Extension
john Unix Password Cracker
keepassx Password manager or safe
keychain Nice ssh-agent front-end
kssh KDE Front-end to SSH
kth-krb4 Kerberos IV distribution from KTH
libassuan The IPC library used by some GnuPG related software
libbf Blowfish block cipher library
libcrack Password checking library
libdes Small DES (Data Encryption Standard) lib & standalone program
libfwbuilder Firewall Builder API
libfwbuilder21 Firewall Builder API
libgcrypt GNU cryptographic library
libgpg-error Definitions of common error values for all GnuPG components
libidea IDEA block cipher library
libident Small library to interface to the ident protocol server (rfc1413)
libksba X.509 library
libksba04 X.509 library (0.4 branch)
libmcrypt Crypto algorithms library
libnasl Nessus Attack Scripting Language library
libprelude Provides the framework for using the Prelude system
libpreludedb Provides an interface to the database used to store IDMEF alerts
libssh Library providing working SSH implementation
libssh2 SSH2 protocol library
libtasn1 ASN.1 structure parser library
libtcpa TCPA libraries and test programs from IBM
logcheck Auditing tool for system logs on Unix boxes
lsh SSH2 client/server
mcrypt Replacement to crypt(1), supports many crypto algorithms
md4-collision MD5 Collision generator
md5-collision MD5 Collision generator
mhash Hash algorithms library
mirrordir Directory mirroring tool
mit-krb5 MIT Kerberos 5 authentication system
mixminion Mixminion impedes message traffic analysis
mozilla-rootcerts root CA certificates from the Mozilla Project
msu Mini passwordless su
msudir Easy setuid script management
MyPasswordSafe Easy-to-use password manager
nessus The Nessus Network Security Scanner
nessus-core Core module of the Nessus Network Security Scanner
nessus-libraries Libs required by the Nessus Network security scanner
nessus-plugins Plugins for the Nessus Network Security Scanner
netramet NEtwork TRaffic METer
nfsbug NFS security verification suite
nikto URL scanner used to search for known vulnerable CGIs on websites
ocaml-ssl SSL library for OCaml
opencdk Open Crypto Development Kit
openpam Open-source PAM library
openssh Open Source Secure shell client and server (remote login program)
openssl Secure Socket Layer and cryptographic library
otpCalc OTP and S/Key calculator for X
p0f Passive OS fingerprinting tool
p5-Authen-CAS-Client Perl 5 module providing an interface for JA-SIG's CAS
p5-Authen-PAM Authentication via PAM
p5-Authen-PluggableCaptcha Perl5 module implementing a pluggable Captcha framework
p5-Authen-SASL Perl module to handle SASL authentication
p5-Authen-SASL-Cyrus Perl module to handle Cyrus protocol for SASL authentication
p5-Crypt-Blowfish Perl5 Blowfish implementation
p5-Crypt-CAST5_PP The CAST5 block cipher, implemented in pure Perl
p5-Crypt-CBC Perl5 cipher block chaining mode for various crypto algorithms
p5-Crypt-CipherSaber Perl5 module for the CipherSaber encryptions
p5-Crypt-DES XS-based DES implementation for Perl
p5-Crypt-DES_EDE3 Perl5 module for Triple-DES EDE encryption/decryption
p5-Crypt-DH Perl5 module for the Diffie-Hellman key exchange system
p5-Crypt-DSA Perl5 module for the DSA public key algorithm
p5-Crypt-Eksblowfish Perl5 Eksblowfish block cipher
p5-Crypt-GeneratePassword Generate secure random pronounceable passwords
p5-Crypt-GPG Object Oriented Interface to GnuPG
p5-Crypt-IDEA Perl5 module for the IDEA symmetric key algorithm
p5-Crypt-OpenPGP Perl5 module for OpenPGP support
p5-Crypt-OpenSSL-AES Perl5 wrapper module for the OpenSSL AES functions
p5-Crypt-OpenSSL-Bignum Perl5 wrapper module for the OpenSSL Bignum functions
p5-Crypt-OpenSSL-DSA Perl5 wrapper module for the OpenSSL DSA functions
p5-Crypt-OpenSSL-Random Perl5 wrapper module for OpenSSL pseudo-random number generator
p5-Crypt-OpenSSL-RSA Perl5 wrapper module for the OpenSSL RSA functions
p5-Crypt-PasswdMD5 MD5-based crypt() function
p5-Crypt-Primes Perl5 module for provable prime number generation
p5-Crypt-Random Perl5 interface to /dev/random
p5-Crypt-RandPasswd Random password generator based on FIPS-181
p5-Crypt-RC4 Perl5 module for the alleged RC4 encryption algorithm
p5-Crypt-Rijndael Perl5 module of the Rijndael symmetric key algorithm
p5-Crypt-RIPEMD160 Perl5 module of the RIPEMD160 hash function
p5-Crypt-RSA Perl5 module of the RSA public key algorithm
p5-Crypt-SmbHash Perl5 module for generating LM/NT hashes
p5-Crypt-SSLeay Crypt::SSLeay - OpenSSL glue that provides LWP https support
p5-Crypt-Twofish Perl5 module for the Twofish symmetric key algorithm
p5-Data-SimplePassword Simple random password generator
p5-Digest Perl5 base class for Digest:: modules
p5-Digest-BubbleBabble Perl5 module for bubble babble fingerprints
p5-Digest-CRC Perl5 extension interface for cyclic redundancy check algorithms
p5-Digest-Hashcash Perl5 extension module for hashcash hashes
p5-Digest-HMAC Perl5 module for HMAC
p5-Digest-MD2 Perl5 module for MD2
p5-Digest-MD4 Perl5 module for MD4 hash algorithm
p5-Digest-MD5 Perl5 extension interface for MD5 algorithm
p5-Digest-MD5-File Perl5 extension for getting MD5 sums for files and urls
p5-Digest-Nilsimsa Perl5 extension module for Nilsimsa signatures
p5-Digest-SHA Perl module for SHA-1/224/256/384/512 algorithms
p5-Digest-SHA1 Perl5 module for SHA1
p5-GD-SecurityImage (V) Perl5 security image (CAPTCHA) generator
p5-GnuPG-Interface Perl interface to GnuPG
p5-GSSAPI Perl extension providing access to the GSSAPIv2 library
p5-IO-Socket-SSL Perl5 SSL socket interface class
p5-Module-Signature Perl5 module adding cryptographic authentications to CPAN distributions
p5-Net-DNS-SEC DNSSEC extension to Net::DNS Perl DNS Resolver Module
p5-Net-DNS-SEC-Maint-Key DNSSEC key and key-set maintenance classes and tool
p5-Net-SSH Perl implementations of SSH1 and SSH2 protocols
p5-Net-SSLeay Perl5 module for using OpenSSL
p5-OpenSSL Perl5 wrapper module for the OpenSSL functions
p5-pcsc Allows communication with a smart card from a Perl script
p5-SHA Perl5 interface to the SHA1 algorithm
p5-String-Random Perl module to generate random strings based on a pattern
p5-Tie-EncryptedHash Perl5 module for hashes with encrypting fields
pakchois PKCS
pakemon Packet monster, an Open Source Intrusion Detection System
PAM Pluggable Authentication Modules (PAM)
pam-af Anti-bruteforce PAM module
pam-dbm PAM module for DBM authentication
pam-ldap Pluggable authentication module for LDAP directories
pam-mysql PAM module for authenticating with MySQL
pam-pwauth_suid PAM authentication module for unprivileged users
pam-radius PAM module for authentication against a RADIUS server
paros (V) HTTP/HTTPS proxy for assessing web application vulnerabilities
pcsc-lite Middleware to access a smart card using SCard API (PC/SC).
pcsc-tools Some tools usefull for a PC/SC user.
pgp2 Public-key encryption and digital signature utility (v2)
pgp5 Public-key encryption and digital signature utilities (v5)
pgpdump PGP packet visualizer
pgpenvelope GnuPG and Pine/Procmail integration tool
php-mcrypt PHP extension for the mcrypt crypto algorithms library
php-mhash PHP extension for the mhash hash algorithms library
pine-pgp-filters (V) Filters to integrate Pine with gnupg or pgp
pinentry Applications for entering PINs or Passphrases
pinepgp PGP display and sending filters for pine
pks PGP Public Key Server
policykit Framework for managing admin policies and privileges
policykit-gnome GNOME dialogs for PolicyKit
portsentry Detects and respond to port scans against a target host in real-time
prelude-correlator Intrusion event correlation engine
prelude-lml Log analyzer monitoring your logfile and received syslog messages
prelude-manager Prelude IDS manager
prelude-pflogger Prelude sensor for Packet Filter (pf)
priv Execute commands as a different user
prngd Pseudo Random Number Generator Daemon
pscan Security C code scanner for misuse of format strings
putty Free implementation of Telnet and SSH for Win32 and Unix platforms
pwsafe CLI based PasswordSafe compatible password manager
py-amkCrypto Cryptographic and hash functions for Python
py-asn1 ITU Abstract Syntax Notification for Python
py-crack Python interface to cracklib
py-cryptkit Python Cryptographic Toolkit
py-denyhosts Watch auth log for invalid ssh login attempts and block hosts
py-gnupg Python module for GnuPG interface
py-gnutls Python bindings for GNUTLS
py-m2crypto Crypto and SSL toolkit for Python
py-mcrypt Python interface to mcrypt library
py-OpenSSL Python interface to the OpenSSL library
py-paramiko SSH2 protocol library
py-prewikka Prelude-IDS console
py-smbpasswd Python SMB Password Hash Generator
py-SSLCrypto Python bindings for openssl
py-tlslite SSL 3.0, TLS 1.0, and TLS 1.1 in Python
pyca Administration tools for X.509/PKIX CA
qca Cross-platform crypto API for QT
qca-tls Cross-platform crypto API for QT - TLS plugin
qca2 Cross-platform crypto API for QT
qca2-ossl Cross-platform crypto API for QT - OpenSSL plugin
qident Small program to query an ident protocol server (rfc1413)
rainbowcrack Hash cracker
rats Rough Auditing Tool for Security
rc5des Binaries for taking part in the rc5des challenge
rid Remote Intrusion Detection to track down compromised hosts
rsaref Encryption/authentication library, RSA/MDX/DES
ruby-ezcrypto Ruby object-oriented wrapper for OpenSSL libraries
ruby-highline (V) High-level console IO library
ruby-net-sftp Secure FTP for Ruby
ruby-net-ssh Secure shell for Ruby
ruby-password Suite of password handling methods for Ruby
ruby-tcpwrap TCP wrappers library for Ruby
sbd HMAC & one-time pad-based remote login program
scanssh SSH remote version scanner
seahorse GnuPG front end and bonobo component for GNOME
seahorse-plugins Plugins for the GnuPG front end and bonobo component for GNOME
secpanel GUI front-end for SSH
sfs Secure, global, self-certifying network file system
sign File signing and signature verification utility
skey Port of OpenBSD s/key implementation
smtpd Store and forward SMTP proxy
sniff Program to sniff logins and passwords
snortsnarf Generate HTML report summaries from snort incident alerts
snow Whitespace steganography program
srm Secure replacement for rm(1)
srp_client Client programs using Secure Remote Password protocol
ssh-askpass X11-based passphrase dialog for OpenSSH
ssh-ip-tunnel Simple VPN system using pppd over ssh
ssh2 Secure Shell client and server for V.2 SSH protocol
sshfp Print ssh host key fingerprint resource records
ssldump SSLv3/TLS network protocol analyzer
sslproxy Small SSL proxy
sslwrap Simple SSL wrapper
starttls Simple wrapper program for STARTTLS on emacsen
steghide Hides data (steganography) in audio or graphics files
stegtunnel Provides a covert channel in the IPID and sequence number
stunnel Universal SSL tunnel
sudo Allow others to run commands as root
systrace-policies Systrace policy examples
tacshell RSA ACE/Server sdshell workalike, using TACACS+
tcl-tls TLS (aka SSL) Channel for the Tcl language
tcp_wrappers Monitor and filter incoming requests for network services
tct Programs to aid post-mortem after a break-in
tkpasman Username and password manager that uses the Tk toolkit
tripwire File and directory integrity checker
uvscan Evaluation version of a DOS/Windows file virus scanner
whisker (V) URL scanner used to search for known vulnerable CGIs on websites
xmlsec1 XML signature and encryption library
yafic File integrity checker
zebedee Simple tunneling program for TCP or UDP with encryption