OGH DBA Dag 14 september 2010 Frits Hoogland

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Information spilling– Lesser known is ‘custom’- Which lets you specify the Server field (!):In httpd.conf:ServerTokens custom "Ping/Pong"vxlt090101:~ fritshoogland$ printf "HEAD / HTTP/1.0\n\n" | nc 10.0.1.12 7777HTTP/1.1 200 OKDate: Thu, 06 May 2010 08:12:16 GMTServer: Ping/PongLast-Modified: Sun, 25 Apr 2010 12:22:40 GMTETag: "25d84f-2b16-4850eb7692400"Accept-Ranges: bytesContent-Length: 11030Connection: closeContent-Type: text/htmlContent-Language: en42Tuesday, September 14, 2010
Information spilling No guarantee, just a precaution– Oracle 11.1.1.2.0 HTTP Server => Apache 2.2.13 This is what the HMAP nessus plugin says:This web server was fingerprinted as : Apache/2.2.11(Gentoo) mod_ssl/2.2.11 OpenSSL/0.9.8kwhich is not consistent with the displayed banner :Ping/Pong43Tuesday, September 14, 2010
Page 1: Oracle HTTP serversecurityOGH DBA D
Page 7 and 8: Firewall!7Tuesday, September 14, 20
Page 9 and 10: Firewallhost.example.comFirewallhos
Page 11 and 12: Firewall Examples of firewalls:- PI
Page 13 and 14: Architecturehost.example.comhost.dm
Page 15 and 16: Webserver Clients communicate with
Page 17 and 18: Tuesday, September 14, 201017
Page 19 and 20: Figure 6 shows the change over time
Page 26 and 27: How to harden? Webserver scanner: N
Page 28 and 29: Example: incorrect config We got a
Page 33 and 34: HTTPSQ: Does HTTPS make your site m
Page 37 and 38: HTTPS HTTPS encrypts communication-
Page 39 and 40: Scanning yourself To harden for the
Page 41: Information spilling- To ‘Prod’
Page 45 and 46: Information spilling Web cache mana
Page 47 and 48: Ports < 1024 On Linux/Unix requires
Page 49 and 50: mod_security Apache module- Functio
Page 51 and 52: mod_security It’s easy to add mod
Page 53 and 54: mod_security Some of the rules it t
Page 55 and 56: Q & AThank you for attending!55Tues
Page 57 and 58: Bibliography & Links hping (packet

OGH DBA Dag 14 september 2010 Frits Hoogland

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