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Security

Episode 13 TAC Security Show Notes

Episode 13 - HTTP filtering on the ASA

Show notes:

Link to page with http packet captures referenced in the podcast episode.

HTTP RFC

Link to 'inspect http' online documentation:


Sample ASA MPF showing blocking of www.facebook.com:
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regex fbhostregex “[Ff][Aa][Cc][Ee][Bb][Oo][Oo][Kk]\.[Cc][Oo][Mm]”

  class-map type inspect http match-any block-url-class
    match request header host regex fbhostregex

  policy-map type inspect http block-url-policy
    parameters
    class block-url-class
      drop-connection log
  policy-map global_policy
    class inspection_default
      inspect http block-url-policy

service-policy global_policy global

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