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Groups > linux.debian.user > #226328
| From | Matthew Campbell <trenix25@pm.me> |
|---|---|
| Newsgroups | linux.debian.user |
| Subject | Fw: Cannot see a process listening on 127.0.0.1 |
| Date | 2020-08-20 14:40 +0200 |
| Message-ID | <AFS1k-7Yb-7@gated-at.bofh.it> (permalink) |
| References | <AFLjb-42c-5@gated-at.bofh.it> <AFQsx-6XI-1@gated-at.bofh.it> <AFQCd-7gd-1@gated-at.bofh.it> <AFQLT-7jm-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
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It looks like you've got a web server listening there. Try GET / HTTP/1.1 to see what it returns. You might also try port scanning 127.0.0.1 with nmap to see what it can find. name=Matthew%20Campbell&email=trenix25%40pm.me -------- Original Message -------- On Aug 20, 2020, 4:17 AM, Dan Ritter wrote: > Victor Sudakov wrote: >> Dan Ritter wrote: >> > > >> > > There is a process listening on 127.0.0.1:8081 but for some reason >> > > netstat/sockstat/ss do not show it listening on IPv4. Is this a bug or a >> > > feature? >> > > >> > > root@test4:~# telnet 127.0.0.1 8081 >> > > Trying 127.0.0.1... >> > > Connected to 127.0.0.1. >> > > Escape character is '^]'. >> > > dd >> > > HTTP/1.1 400 Bad Request >> > > Connection: close >> > > >> > > Connection closed by foreign host. >> > > root@test4:~# netstat -lpn | grep 8081 >> > > tcp6 0 0 :::8081 :::* LISTEN 10872/node /home/ad >> > >> > Feature-bug. It's listening on both IPv4 and IPv6; if you want to >> > see them differently, add the 4 or 6 flag to netstat >> >> Nope, the -4 flag does not help: >> >> root@test4:~# telnet localhost 8081 >> Trying 127.0.0.1... >> Connected to localhost. >> Escape character is '^]'. >> dd >> HTTP/1.1 400 Bad Request >> Connection: close >> >> Connection closed by foreign host. >> root@test4:~# netstat -4lpn | grep 8081 >> root@test4:~# >> > > That's a bug, then. > > -dsr-
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Cannot see a process listening on 127.0.0.1 Victor Sudakov <vas@sibptus.ru> - 2020-08-20 07:30 +0200
Re: Cannot see a process listening on 127.0.0.1 Dan Ritter <dsr@randomstring.org> - 2020-08-20 13:00 +0200
Re: Cannot see a process listening on 127.0.0.1 Victor Sudakov <vas@sibptus.ru> - 2020-08-20 13:10 +0200
Re: Cannot see a process listening on 127.0.0.1 Dan Ritter <dsr@randomstring.org> - 2020-08-20 13:20 +0200
Fw: Cannot see a process listening on 127.0.0.1 Matthew Campbell <trenix25@pm.me> - 2020-08-20 14:40 +0200
Re: Cannot see a process listening on 127.0.0.1 Andy Smith <andy@strugglers.net> - 2020-08-20 14:50 +0200
Re: Cannot see a process listening on 127.0.0.1 Victor Sudakov <vas@sibptus.ru> - 2020-08-25 05:40 +0200
Re: Cannot see a process listening on 127.0.0.1 Anssi Saari <as@sci.fi> - 2020-08-25 10:20 +0200
Re: Cannot see a process listening on 127.0.0.1 Victor Sudakov <vas@sibptus.ru> - 2020-08-26 04:20 +0200
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