The FreeBSD Diary

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Network monitoring

Networks

Security


Network monitoring
	Big Brother is watching you (and your network) 18 Feb 2000 NetSaint - a network monitor 10 Sep 2001 Monitoring your HDD using SMART and Nagios 13 Mar 2010


Networks
	connecting to the network 29 Aug 1998 Adding a second network card (and compiling a kernel) 29 Aug 1998 ADSL - changing the modem 10 Mar 1999 DSL/Cable modem references 7 Nov 1999 Backing up FreeBSD onto a Windows NT Workstation 7 Nov 1999 New NIC was causing network problems 12 Feb 2000 Big Brother is watching you (and your network) 18 Feb 2000 ed0 does not like 0x280 16 Apr 2000 VLAN with pipsecd 7 Jul 2000 Setting up FreeBSD as an NIS client (by Eric Anderson) 23 Dec 2000 Setting up a FreeBSD IPSec Tunnel (by John J. Rushford Jr) 7 Jun 2001 Quick CableNet Connections with FreeBSD (by Leon Dang) 7 Aug 2001 Creating a VPN using PPTP 26 Apr 2002 VNC - allowing remote access to graphical desktops 16 Aug 2002 Managing an IP address change 3 Sep 2002 Managing an IP address change - part 2 4 Oct 2002 Home networks are everywhere 31 Mar 2003 IPv6 - getting your LAN connected 5 Feb 2006


Security
	improving security * 11 Aug 1998 su - how to become a super user. avoid using `root` 18 Oct 1998 changing the pre-login text - also known as /etc/issue 6 Jan 1999 tcp wrapper - monitoring telnet requests, permit deny connections, etc. 9 Jan 1999 upgrading sendmail 11 Jan 1999 Staying current with FreeBSD - using CVSup to upgrade FreeBSD 14 Jan 1999 Before the disaster 14 Jan 1999 I was probed! The security worked. 2 Feb 1999 Upgrading to sendmail 8.9.3 18 Feb 1999 nologin - Refuse a login to a user, and make a note of it in syslog 9 Mar 1999 telnet fails - tcp_wrapper is out of date 18 Mar 1999 ssh - much more secure than telnet 25 Apr 1999 Private DNS 8 Jul 1999 toor - and why you should keep it 23 Jul 1999 ssh2 - when ssh won't do 13 Aug 1999 Changing the pre-login text - also known as /etc/issue - more info 22 Aug 1999 Upgrade your DNS server - bind8 security issues 20 Nov 1999 watch - making it work 29 Nov 1999 Installing OpenSSH - less restrictive than ssh 5 Dec 1999 logcheck - who is checking your logs? 19 Dec 1999 identd problems - patch 19 Dec 1999 unwanted email from tcpd 26 Dec 1999 PortSentry - a port watcher 1 Jan 2000 Front Page Extensions - security considerations 7 Jan 2000 Blocking apache access by host 27 Jan 2000 Big Brother is watching you (and your network) 18 Feb 2000 finger and how to supply something different 24 Feb 2000 How to copy files around without anyone seeing them 27 Mar 2000 What version of bind are you running? 3 Apr 2000 ssh - authorized keys and chmod 5 Apr 2000 Keeping mysql passwords secure 19 Apr 2000 passphrases are your friend 6 Jul 2000 VLAN with pipsecd 7 Jul 2000 turning sendmail VRFY off 8 Aug 2000 mindterm - ssh connections via web browsers 14 Nov 2000 IPsec 27 Dec 2000 Setting up an encrypted file system (by Niklas Saers) 6 Jan 2001 installing bind8 from ports 28 Mar 2001 qpopper with APOP 30 Mar 2001 Using smtp from remote locations 7 Apr 2001 Setting up a FreeBSD IPSec Tunnel (by John J. Rushford Jr) 7 Jun 2001 San Jose bound... 11 Jun 2001 Client Authentication with SSL 12 Jul 2001 ssh exploit - how to avoid it 14 Nov 2001 stunnel - another way to avoid plain text passwords (by Mike Miller) 16 Nov 2001 Anonymous FTP server (by Kim Scarborough) 30 Nov 2001 PostgreSQL 7.2 upgrade and crypto 23 Feb 2002 stunnel - encryption and security 10 Mar 2002 Creating a VPN using PPTP 26 Apr 2002 scp tricks 7 Mar 2003 Using a jail as a virtual machine 1 Sep 2004 Secure Your Wireless with IPsec 6 Dec 2004 Configuring IPsec on your XP Professional laptop 22 Dec 2005 Putting sshd on a higher port 4 Dec 2006 Cacti remote injection exploit 12 Jan 2007 Bacula - Transport Layer Security (TLS) 23 Jan 2007 Fighting spam with pf 9 Jul 2007 Virus scanning 9 Jul 2007 Creating your own Certificate Authority 27 Nov 2008 Obscuring smtp auth headers 2 Dec 2008 Removing Firefox 2 19 Oct 2009 logcheck - a log file scanner 29 Nov 2009 cssh - cluster ssh 26 Jan 2010