[sane-devel] Network detection fails to find Canon Scanner

[Thierry Huchard]

<p dir="ltr" style="margin-top:0; margin-bottom:0;">Look section firewall:</p>
<p dir="ltr" style="margin-top:0; margin-bottom:0;">https://github.com/Ordissimo/scangearmp2</p>
<p dir="ltr" style="margin-top:0; margin-bottom:0;">Thierry </p>


Le 29 mars 2023 12:38:34 GMT+02:00, Harvey Nimmo <harvey at nimmo.de> a écrit :
><pre dir="auto" class="k9mail">On Wed, 2023-03-29 at 00:56 +0200, Thierry Huchard wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #729fcf; padding-left: 1ex;">Le 2023-03-28 19:49, Harvey Nimmo a écrit :<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 1ex 0.8ex; border-left: 1px solid #ad7fa8; padding-left: 1ex;">I downloaded the rpm of sane-airscan and treid to install it.<br>Unfortunately, a library (libc.so.6 (GLIBC_2.34)/64 bit) is missing<br>so<br>that the installation could not be completed.<br>What could I do about that?<br><br></blockquote>Hi,<br><br>Can you try this, it is the scangearmp2 version which includes the<br>sane <br>backend.<br>you should be able to use simple-scan or xsane.<br><br><a href="https://download.opensuse.org/repositories/home:/thierry1970/15.4/x86_64/">https://download.opensuse.org/repositories/home:/thierry1970/15.4/x86_64/</a><br><br>Thierry<br></blockquote>Hi Thiery, <br>scangearmp2-4.20-1 is installed. Neither simple-scan nor xsane find the<br>scanner.<br><br>simple-scan returns:<br>[12:27:50.038785] [bjnp] udp_command: ERROR - no data received (timeout<br>= 10000)<br>[12:27:50.038938] [bjnp] bjnp_init_device_structure: Cannot read mac<br>address, skipping this scanner<br>[12:27:51.941786] [bjnp] udp_command: ERROR - no data received (timeout<br>= 10000)<br>[12:27:51.941952] [bjnp] bjnp_init_device_structure: Cannot read mac<br>address, skipping this scanner<br>xsane returns:<br>[12:28:46.519643] [bjnp] udp_command: ERROR - no data received (timeout<br>= 10000)<br>[12:28:46.519814] [bjnp] bjnp_init_device_structure: Cannot read mac<br>address, skipping this scanner<br><br>These both fail, irrespective of whether my desktop firewall is running<br>or not.<br><br>scangearpm2 finds the scanner only if my desktop firewall is not<br>running. <br><br>I wonder if there is a problem with port forwarding in my router? but<br>which ports apply?<br><br>Cheers<br>Harvey<br></pre>
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