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Verkon skannaus

Verkkomme skannataan päivittäin 2500 kertaa kräkkereiden toimesta. Sitä ei voida estää, mutta sitä vastaan voidaan suojautua. Skannauksen tarkoituksena on löytää tietoturva-aukkoja.

SMTP

Kräkkeri yrittää lähettää roskapostia SMTP-palvelimen kautta:

Nov 2 08:06:40 ping postfix/smtpd4747: 5ED2B3BB3C: reject: RCPT from 102.50.233.64.transedge.com64.233.50.102: 554 : Relay access denied; from= to= proto=ESMTP helo=
Nov 2 08:06:40 ping postfix/smtpd4745: 8727B3BB3F: reject: RCPT from 102.50.233.64.transedge.com64.233.50.102: 554 : Relay access denied; from= to= proto=ESMTP helo=
Nov 2 08:06:41 ping postfix/smtpd5029: 0169C3BB40: reject: RCPT from 102.50.233.64.transedge.com64.233.50.102: 554 : Relay access denied; from= to= proto=ESMTP helo=
Nov 2 08:06:44 ping postfix/smtpd4747: DB5DB3BB3C: reject: RCPT from 102.50.233.64.transedge.com64.233.50.102: 554 : Relay access denied; from= to= proto=ESMTP helo=
Nov 2 08:06:47 ping postfix/smtpd5029: 992C73BB3C: reject: RCPT from 102.50.233.64.transedge.com64.233.50.102: 554 : Relay access denied; from= to= proto=ESMTP helo=
Nov 2 08:06:53 ping postfix/smtpd4747: 1F0B03BB3C: reject: RCPT from 102.50.233.64.transedge.com64.233.50.102: 554 : Relay access denied; from= to= proto=ESMTP helo=


Web

Kräkkeri yrittää löytää tietoturva-aukkoja Windows-sovelluksista:

81.49.172.135 - - 02/Nov/2003:13:35:46 +0100 "GET /_vti_bin/owssvr.dll?UL=1&ACT=4&BUILD=2614&STRMVER=
4&CAPREQ=0 HTTP/1.1" 404 797 "-" "Mozilla/4.0 compatible; MSIE 6.0; Windows
NT 5.1)"
81.49.172.135 - - 02/Nov/2003:13:35:46 +0100 "GET /MSOffice/cltreq.asp?UL=1&ACT=4&BUILD=2614&STRMVER=
4&CAPREQ=0 HTTP/1.1" 404 797 "-" "Mozilla/4.0 compatible; MSIE 6.0; Windows
NT 5.1)"
81.49.172.135 - - 02/Nov/2003:13:35:47 +0100 "GET /_vti_bin/owssvr.dll?UL=1&ACT=4&BUILD=2614&STRMVER=
4&CAPREQ=0 HTTP/1.1" 404 797 "-" "Mozilla/4.0 compatible; MSIE 6.0; Windows
NT 5.1)"
81.49.172.135 - - 02/Nov/2003:13:35:47 +0100 "GET /MSOffice/cltreq.asp?UL=1&ACT=4&BUILD=2614&STRMVER=
4&CAPREQ=0 HTTP/1.1" 404 797 "-" "Mozilla/4.0 compatible; MSIE 6.0; Windows
NT 5.1)"