MadHatter

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14,470 reputation

11639

bio	website	teaparty.net
	location	Cambridge, United Kingdom
	age	45
visits	member for	1 year, 8 months
	seen	23 hours ago
stats	profile views	595

What's to say? Check my personal website for a touch more detail, if you want to. I sysadmin free software professionally through my own little company. A long time ago, I and a co-author wrote "Building Linux and OpenBSD Firewalls" (Wiley, 2000). That's it.

	14,470 reputation	bio	website	teaparty.net	visits	member for	1 year, 8 months
11639 badges		location	Cambridge, United Kingdom		seen	23 hours ago

summary answers questions tags badges favorites bounties reputation activity

439 Answers

votes activity newest

63	Why would I need a firewall if my server is well configured?
39	How common is NAT within companies (one public ip address)?
25	how do i perform root actions from non-root account?
23	Changing the Sudo warning
21	What is a challenge password?

14,470 Reputation

+45	Can dedicated DHCP server assign a default gateway address to router?
+10	“find -mtime” does not work as expected on files with different timezones?
+10	how do i perform root actions from non-root account?
+10	Keeping and maintaing a password list

5 Questions

votes activity newest

3	“open files” ulimit: controlling via limits.conf
2	How to restrict members of a certain group to one login per user?
1	File system full - except it's not
1	Preventing a single list subscriber from unsubscribing from a mailman list
1	Looking for a USB GSM modem, compatible with Solaris 10 (sparc)

471 Tags

351 linux × 126	74 iptables × 30
155 security × 23	68 networking × 25
101 firewall × 19	68 vps × 5
81 centos × 37	65 configuration × 3
77 ssh × 27	62 ubuntu × 25