Public bug reported:

I purchased a Synology DS723+ NAS (under DSM 7.2-64570).
I access it without any problem from a Huawei MateBook 14s running Ubuntu 22.04.

I can't do it, however, from an Acer Swift 5 also running Ubuntu 22.04.
Seen from this PC, I get the following message:
"Unable to access location
Failed to get list of shares from server: Invalid argument."

When I look at my NAS log, the connection attempt gives the following message:
"Host [192.168.1.22] failed to connect via [SMB] due to [SMB1 not permitted]."

While the message obtained after a successful connection with the other PC is 
the following:
"User [xxx] from [xxx(192.168.1.36)] via [CIFS(SMB3)] accessed shared folder 
[Photos]."

I tried to compare the differences between the 2 PCs running Ubuntu 22.04 
without success.
Samba was not initially installed on the Acer Swift 5 initially, but the 
installation did not correct the problem.
After reading different posts, I understand that the SMB1 connection is 
disabled by default since Ubuntu 20.04: I therefore do not understand why the 
Acer Swift 5 seems to connect like that.

And when I run "journalctl -f" on my Acer and then try to connect to the NAS, 
here is what I get:
oct. 09 21:56:32 xxx gvfsd[9205]: smbXcli_negprot_smb1_done: No compatible 
protocol selected by server.
oct. 09 21:56:47 xxx gvfsd[9205]: smbXcli_negprot_smb1_done: No compatible 
protocol selected by server.

ProblemType: Bug
DistroRelease: Ubuntu 22.04
Package: gvfs 1.48.2-0ubuntu1
ProcVersionSignature: Ubuntu 5.15.0-86.96-generic 5.15.122
Uname: Linux 5.15.0-86-generic x86_64
ApportVersion: 2.20.11-0ubuntu82.5
Architecture: amd64
CasperMD5CheckResult: unknown
CurrentDesktop: ubuntu:GNOME
Date: Sat Oct 21 18:06:52 2023
InstallationDate: Installed on 2020-02-21 (1337 days ago)
InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 
(20200203.1)
ProcEnviron:
 TERM=xterm-256color
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SourcePackage: gvfs
UpgradeStatus: Upgraded to jammy on 2022-09-04 (412 days ago)

** Affects: gvfs (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug jammy wayland-session

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https://bugs.launchpad.net/bugs/2040068

Title:
  Can't connect my Synology NAS from Ubuntu 22.04

Status in gvfs package in Ubuntu:
  New

Bug description:
  I purchased a Synology DS723+ NAS (under DSM 7.2-64570).
  I access it without any problem from a Huawei MateBook 14s running Ubuntu 
22.04.

  I can't do it, however, from an Acer Swift 5 also running Ubuntu 22.04.
  Seen from this PC, I get the following message:
  "Unable to access location
  Failed to get list of shares from server: Invalid argument."

  When I look at my NAS log, the connection attempt gives the following message:
  "Host [192.168.1.22] failed to connect via [SMB] due to [SMB1 not permitted]."

  While the message obtained after a successful connection with the other PC is 
the following:
  "User [xxx] from [xxx(192.168.1.36)] via [CIFS(SMB3)] accessed shared folder 
[Photos]."

  I tried to compare the differences between the 2 PCs running Ubuntu 22.04 
without success.
  Samba was not initially installed on the Acer Swift 5 initially, but the 
installation did not correct the problem.
  After reading different posts, I understand that the SMB1 connection is 
disabled by default since Ubuntu 20.04: I therefore do not understand why the 
Acer Swift 5 seems to connect like that.

  And when I run "journalctl -f" on my Acer and then try to connect to the NAS, 
here is what I get:
  oct. 09 21:56:32 xxx gvfsd[9205]: smbXcli_negprot_smb1_done: No compatible 
protocol selected by server.
  oct. 09 21:56:47 xxx gvfsd[9205]: smbXcli_negprot_smb1_done: No compatible 
protocol selected by server.

  ProblemType: Bug
  DistroRelease: Ubuntu 22.04
  Package: gvfs 1.48.2-0ubuntu1
  ProcVersionSignature: Ubuntu 5.15.0-86.96-generic 5.15.122
  Uname: Linux 5.15.0-86-generic x86_64
  ApportVersion: 2.20.11-0ubuntu82.5
  Architecture: amd64
  CasperMD5CheckResult: unknown
  CurrentDesktop: ubuntu:GNOME
  Date: Sat Oct 21 18:06:52 2023
  InstallationDate: Installed on 2020-02-21 (1337 days ago)
  InstallationMedia: Ubuntu 18.04.4 LTS "Bionic Beaver" - Release amd64 
(20200203.1)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=fr_FR.UTF-8
   SHELL=/bin/bash
  SourcePackage: gvfs
  UpgradeStatus: Upgraded to jammy on 2022-09-04 (412 days ago)

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