nmap / nmap/npcap

Npcap prevents network communication when certain VPN software is installed

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bug current
Dominant language
C
Stars
3.6k
Forks
592
PR merge metrics
No merged PRs in 30d

Description

Similar to nmap/nmap#610 or nmap/nmap#600, Npcap has been reported to cause network interruption when VPN software is installed, specifically Cisco AnyConnect VPN Client.

Contributor guide

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First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by comparing the reported behavior with nmap/nmap#610 and nmap/nmap#600, then investigate Npcap alongside Cisco AnyConnect VPN Client on Windows. Reproduce the network interruption and determine a verified change that prevents it without breaking packet capture or VPN communication.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
networking, operating-systems
Issue type
Bug
Difficulty
5/5
Estimated time
Over a week
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
22/100

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