URL:     https://linuxfr.org/forums/linux-debian-ubuntu/posts/ufw-mauvaise-config-delai-avant-ouverture-ssh
Title:   [ufw] Mauvaise config → délai avant ouverture SSH ?
Authors: ralphtheman
Date:    2026-04-09T16:56:10+02:00
License: CC By-SA
Tags:    
Score:   0


Bonjour,

Depuis que j'ai installé ufw sur cette Debian, je note un délai de plusieurs secondes lorsque je me connecte depuis Windows en SSH. Dois-je ajouter quelque chose dans la config ?

Merci.

```
~# ufw status
Status: active
To                         Action      From
--                         ------      ----
Anywhere                   ALLOW       192.168.0.0/24
Nginx Full                 ALLOW       Anywhere
Anywhere (v6)              ALLOW       fe80::/64
Nginx Full (v6)            ALLOW       Anywhere (v6)
```
```   
~# journalctl  | less
...
Apr 09 11:49:13 debian-dell kernel: [UFW BLOCK] IN=enp4s0 OUT= MAC=00:80:64:fd:7a:c6:00:e0:4c:45:e5:f2:86:dd SRC=2a0
1:WINDOWS:2947 DST=2a01:DEBIAN:7ac6 LEN=72 TC=0 HOPLIMIT=64 FLOWLBL=579356 PROTO=TCP SPT=5232 DPT=22 WINDOW=64800 RES=0x00 SYN URGP=0
Apr 09 11:49:14 debian-dell kernel: [UFW BLOCK] IN=enp4s0 OUT= MAC=00:80:64:fd:7a:c6:00:e0:4c:45:e5:f2:86:dd SRC=2a0
1:WINDOWS:2947 DST=2a01:DEBIAN:7ac6 LEN=72 TC=0 HOPLIMIT=64 FLOWLBL=579356 PROTO=TCP SPT=5232 DPT=22 WINDOW=64800 RES=0x00 SYN URGP=0
Apr 09 11:49:16 debian-dell kernel: [UFW BLOCK] IN=enp4s0 OUT= MAC=00:80:64:fd:7a:c6:00:e0:4c:45:e5:f2:86:dd SRC=2a0
1:WINDOWS:2947 DST=2a01:DEBIAN:7ac6 LEN=72 TC=0 HOPLIMIT=64 FLOWLBL=579356 PROTO=TCP SPT=5232 DPT=22 WINDOW=64800 RES=0x00 SYN URGP=0
Apr 09 11:49:20 debian-dell kernel: [UFW BLOCK] IN=enp4s0 OUT= MAC=00:80:64:fd:7a:c6:00:e0:4c:45:e5:f2:86:dd SRC=2a0
1:WINDOWS:2947 DST=2a01:DEBIAN:7ac6 LEN=72 TC=0 HOPLIMIT=64 FLOWLBL=579356 PROTO=TCP SPT=5232 DPT=22 WINDOW=64800 RES=0x00 SYN URGP=0
Apr 09 11:49:28 debian-dell kernel: [UFW BLOCK] IN=enp4s0 OUT= MAC=00:80:64:fd:7a:c6:00:e0:4c:45:e5:f2:86:dd SRC=2a0
1:WINDOWS:2947 DST=2a01:DEBIAN:7ac6 LEN=72 TC=0 HOPLIMIT=64 FLOWLBL=579356 PROTO=TCP SPT=5232 DPT=22 WINDOW=64800 RES=0x00 SYN URGP=0

Apr 09 11:49:34 debian-dell sshd[43516]: Accepted publickey for root from 192.168.0.16 port 5233 ssh2: RSA SHA256:y833/s0ImfBLAHFG/A04
```