How to Secure Your Server is a decent start but also make sure you follow Using Fail2ban to Secure Your Server - A Tutorial
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Shelf Road 2001: Curtis and Lumina 03
10 Random Photos:
Mendocino 2006: Flower 2
Jamaica 2002: Flower 02
KBCO 2002: Lego Castle
Telluride 2006: Black Canyon Painted Wall
Shelf Road 2001: Ethan and Suspender Man
Shelf Road 2002: Sara Setting a Toprope
White Rim 2001: Day 3: Rick and Fort Bottom Ruins
ABQ 2004: Volcano Trail
Jamaica 2002: Road to Montego Bay 09
Golden Gate Canyon 2005: Tallman Ranch