Security
- cssh – cluster ssh
- logcheck – a log file scanner
- Removing Firefox 2
- Obscuring smtp auth headers
- Creating your own Certificate Authority
- Virus scanning
- Fighting spam with pf
- Bacula – Transport Layer Security (TLS)
- Cacti remote injection exploit
- Putting sshd on a higher port
- Configuring IPsec on your XP Professional laptop
- Secure Your Wireless with IPsec
- Using a jail as a virtual machine
- scp tricks
- Creating a VPN using PPTP
- stunnel – encryption and security
- PostgreSQL 7.2 upgrade and crypto
- Anonymous FTP server
- stunnel – another way to avoid plain text passwords
- ssh exploit – how to avoid it
- Client Authentication with SSL
- San Jose bound…
- Setting up a FreeBSD IPSec Tunnel
- Using smtp from remote locations
- qpopper with APOP
- installing bind8 from ports
- Setting up an encrypted file system
- IPsec
- mindterm – ssh connections via web browsers
- turning sendmail VRFY off
- VLAN with pipsecd
- passphrases are your friend
- Keeping mysql passwords secure
- ssh – authorized keys and chmod
- What version of bind are you running?
- How to copy files around without anyone seeing them
- finger and how to supply something different
- Big Brother is watching you (and your network)
- Blocking apache access by host
- Front Page Extensions – security considerations
- PortSentry – a port watcher
- unwanted email from tcpd
- identd problems – patch
- logcheck – who is checking your logs?
- Installing OpenSSH – less restrictive than ssh
- watch – making it work
- Upgrade your DNS server – bind8 security issues
- Changing the pre-login text – also known as /etc/issue – more info
- ssh2 – when ssh won’t do
- toor – and why you should keep it
- Private DNS
- ssh – much more secure than telnet
- telnet fails – tcp_wrapper is out of date
- nologin – Refuse a login to a user, and make a note of it in syslog
- Upgrading to sendmail 8.9.3
- I was probed! The security worked.
- Staying current with FreeBSD – using CVSup to upgrade FreeBSD
- Before the disaster
- upgrading sendmail
- tcp wrapper – monitoring telnet requests, permit deny connections, etc.
- changing the pre-login text – also known as /etc/issue
- su – how to become a super user. avoid using root
- improving security *