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hknutzen avatar hknutzen commented on June 15, 2024

A test case for this issue has been added in ed33911.

from netspoc.

hknutzen avatar hknutzen commented on June 15, 2024

Das Problem tritt auch auf der anderen Seite auf.

Topologie:

src--R1--any--R2--dst
mit R2 ist "managed=secondary"

Regeln:

  1. permit src -> any, telnet
  2. permit src -> dst, http

Generierte ACLs:

  • auf R1:
    • von 1.: permit src any telnet
    • von 2.: permit src dst http
  • auf R2:
    • von 2.: permit net(src) net(dst) ip

Problem:

src soll nur mittels http auf dst zugreifen können, kann jedoch auch mittels telnet zugreifen.

from netspoc.

hknutzen avatar hknutzen commented on June 15, 2024

Das Problem tritt auch bei einzelnen Hosts auf.

Topologie:

host:h1--R1--any--R2--dst
mit R1 "managed=secondary"

Regeln:

  1. permit any -> dst http
  2. permit h1 -> dst http

Generierte ACLs:

  • auf R1:
    • von 2.: permit net(src) dst ip
  • auf R2:
    • von 1.: permit any dst http
    • von 2.: permit h1 dst http

Problem:

Nur h1 soll auf dst zugrefen, aber das ganze Netz von h1 wird freigeschaltet.

from netspoc.

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