skey | | Port of OpenBSD s/key implementation |
sks | | Self Replicating PGP Key Server |
sleuthkit | | The Sleuth Kit (TSK) opensource forensic toolkit |
smaSHeM | | System V shared memory segment manipulator |
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 |
softhsm | | Cryptographic store accessible through a PKCS#11 interface |
srm | | Secure replacement for rm(1) |
srp_client | | Client programs using Secure Remote Password protocol |
ssdeep | | Program computing context triggered piecewise hashes (CTPH) |
ssh-askpass | | X11-based passphrase dialog for OpenSSH |
ssh-ip-tunnel | | Simple VPN system using pppd over ssh |
sshfp | | Print ssh host key fingerprint resource records |
sshpass | | Non-interactive ssh password auth |
ssldump | | SSLv3/TLS network protocol analyzer |
sslproxy | | Small SSL proxy |
sslscan | | Fast SSL Scanner |
sslwrap | | Simple SSL wrapper |
ssss | | Shamir's Secret Sharing Scheme |
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 |
stud | | Scalable TLS Unwrapping Daemon |
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 |
validns | | Validns, a high performance DNS/DNSSEC zone validator |
whisker (V) | | URL scanner used to search for known vulnerable CGIs on websites |
xml-security-c | | XML Digital Signature specification implementation |
xmlsec1 | | XML signature and encryption library |
yafic | | File integrity checker |
ykclient | | Libraries for online validation of Yubikey OTPs |
ykpers | | Yubico's YubiKey re-programming toolkit |
zebedee | | Simple tunneling program for TCP or UDP with encryption |
zkt | | DNSSEC Zone Key Tool |
zoneminder | | Video camera security and surveillance solution |