On Thu, 2010-11-18 at 17:32 +0000, Jon Spriggs wrote: > Actually, I was under the impression that the stack exchange software > (which drives stack overflow and askubuntu and others) is Free > Software, albeit on a Windows and C# platform.
It appears to run nginx on Linux, or at least its front-end load-balancer/proxy does: r...@server:~# nmap -sV -O askubuntu.com -p 23,22,21,80,81,443 Starting Nmap 5.00 ( http://nmap.org ) at 2010-11-18 17:39 GMT Interesting ports on stackoverflow.com (64.34.119.12): PORT STATE SERVICE VERSION 21/tcp filtered ftp 22/tcp filtered ssh 23/tcp filtered telnet 80/tcp closed http 81/tcp filtered hosts2-ns 443/tcp open ssl/http nginx web server 0.7.65 Device type: general purpose|WAP|router|firewall|webcam Running (JUST GUESSING) : Linux 2.6.X|2.4.X (92%), D-Link embedded (91%), Linksys embedded (91%), Peplink embedded (91%), Check Point Linux 2.4.X (88%), MikroTik RouterOS 3.X (87%), Linksys Linux 2.4.X (86%), AXIS Linux 2.6.X (85%) Aggressive OS guesses: Linux 2.6.15 - 2.6.24 (92%), D-Link DSA-3100 or Linksys WRT54GL (DD-WRT v23) WAP, or Peplink Balance 30 router (91%), Linux 2.6.22 (91%), Linux 2.6.24 - 2.6.28 (89%), Check Point VPN-1 UTM appliance (88%), Linux 2.6.18 - 2.6.27 (88%), Linux 2.6.9 - 2.6.26 (88%), Linux 2.4.21 - 2.4.31 (likely embedded) (87%), Linux 2.6.15 - 2.6.23 (embedded) (87%), Linux 2.6.22 (Fedora Core 6) (87%) No exact OS matches for host (test conditions non-ideal). OS and Service detection performed. Please report any incorrect results at http://nmap.org/submit/ . Nmap done: 1 IP address (1 host up) scanned in 19.44 seconds Regards, Tyler -- "No one can terrorize a whole nation, unless we are all his accomplices." -- Edward R. Murrow -- ubuntu-uk@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-uk https://wiki.ubuntu.com/UKTeam/
