Nmap Error: 'Error compiling our pcap filter: expression rejects all packets'
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Description
Im having an issue when I use the metasploit through Nord VPN. I'm getting the following error
[] [2024.07.01-10:43:00] Nmap Output: Starting Nmap 7.91 ( https://nmap.org ) at 2024-07-01 10:43 South Africa Standard Time
**[] [2024.07.01-10:43:00] Nmap Error: 'Error compiling our pcap filter: expression rejects all packets'**
[] [2024.07.01-10:43:00] Nmap Results: Importing scan data.
[+] [2024.07.01-10:43:01] Workspace:TEST03 Beginning step 3/176 Sweeping 1XX.1XX.1XX.1XX with UDP probes - Progress: 1%
[] [2024.07.01-10:43:01] Sending 13 probes to 1XX.1XX.1XX.1XX->1XX.1XX.1XX.1XX (1 hosts)
[] [2024.07.01-10:43:02] Discovered DNS on 1XX.1XX.1XX.1XX:53 (8f38838000010000000000000756455253494f4e0442494e440000100003)
[+] [2024.07.01-10:43:16] Workspace:TEST03 Beginning step 63/176 Sweeping 1XX.1XX.1XX.1XX with VxWorks probes - Progress: 35%
[+] [2024.07.01-10:43:27] Workspace:TEST03 Beginning step 172/176 Normalizing system information - Progress: 97%
[] [2024.07.01-10:43:27] Beginning step 1/2 Normalizing 1XX.1XX.1XX.1XX - Progress: 0%
[] [2024.07.01-10:43:27] Beginning step 2/2 Normalization complete - Progress: 50%
[+] [2024.07.01-10:43:27] Workspace:TEST03 Beginning step 173/176 Identifying unknown services - Progress: 97%
[+] [2024.07.01-10:43:27] Workspace:TEST03 Beginning step 174/176 Normalizing system information for newly identified services - Progress: 98%
[] [2024.07.01-10:43:27] Beginning step 1/2 Normalizing 1XX.1XX.1XX.1XX - Progress: 0%
[] [2024.07.01-10:43:27] Beginning step 2/2 Normalization complete - Progress: 50%
[+] [2024.07.01-10:43:27] Workspace:TEST03 Beginning step 175/176 Sweeping newly found services - Progress: 98%
[+] [2024.07.01-10:43:27] Workspace:TEST03 Beginning step 176/176 Normalizing system information for newly identified services - Progress: 99%
[] [2024.07.01-10:43:27] Beginning step 1/2 Normalizing 1XX.1XX.1XX.1XX - Progress: 0%
[] [2024.07.01-10:43:27] Beginning step 2/2 Normalization complete - Progress: 50%
[] [2024.07.01-10:43:27] Sweep of 1XX.1XX.1XX.1XX-1XX.1XX.1XX.1XX complete (0 new hosts, 0 new services)
[*] [2024.07.01-10:43:27] Scanned 1 of 1 hosts (100% complete)
[+] [2024.07.01-10:43:27] Workspace:TEST03 Task Completed - Progress: 100%
However when I change the connection to use my WIFI things seem to be fine.
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by reproducing the scan with Nord VPN and Wi-Fi, comparing the Nmap/Npcap error and scan results in the issue. Investigate whether the VPN interface or packet filter causes the error, and consider the issue resolved when the cause and a corrective action or documented incompatibility are established.
Written by the indexing model from the issue text.
Assessment
- Domain
- networking
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100