nanog mailing list archives
Re: Re[2]: "portscans" (was Re: Arbor Networks DoS defense product)
From: JC Dill <nanog () vo cnchost com>
Date: Sun, 19 May 2002 08:21:23 -0700
On 07:50 AM 5/19/02, Ralph Doncaster wrote: > >> RD> I often like to know if a particular web server is running Unix or>> RD> Winblows. A port scanner is a useful tool in making that determination.
>> >> [allan@ns1 phpdig]$ telnet www.istop.com 80 >> Trying 216.187.106.194... >> Connected to dci.doncaster.on.ca (216.187.106.194). >> Escape character is '^]'. >> HEAD / HTTP/1.0 >> >> HTTP/1.1 200 OK >> Date: Sun, 19 May 2002 01:47:57 GMT >> Server: Apache/1.3.22 (Unix) FrontPage/4.0.4.3 PHP/4.1.2 mod_fastcgi/2.2.8 > >Sure, it works on some servers, but try it on yahoo.com, cnn.com, ... <http://uptime.netcraft.com/up/graph/?mode_u=off&mode_w=on&site=www.cnn.com>Works for me, works from any system that has a browser. At any given time I'm *far* more likely to have a browser running than port scanning software, so this solution is also IMHO faster.
jc
Current thread:
- Re: "portscans" (was Re: Arbor Networks DoS defense product), (continued)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Mitch Halmu (May 19)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Dan Hollis (May 19)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Mitch Halmu (May 19)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Mike Lewinski (May 19)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Scott Francis (May 19)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Stephen Griffin (May 20)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Nathan J. Mehl (May 21)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Scott Francis (May 19)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Greg A. Woods (May 20)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Greg A. Woods (May 19)
- Message not available
- Re: Re[2]: "portscans" (was Re: Arbor Networks DoS defense product) JC Dill (May 19)
- Re: Re[2]: "portscans" (was Re: Arbor Networks DoS defense product) Ralph Doncaster (May 19)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Scott Francis (May 18)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Ralph Doncaster (May 19)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Scott Gifford (May 18)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Scott Francis (May 18)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Ralph Doncaster (May 19)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Alex Rubenstein (May 19)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) william (May 19)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Ralph Doncaster (May 19)
- Re: "portscans" (was Re: Arbor Networks DoS defense product) Scott Francis (May 19)