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Garmin Express fails when webfiltering is enabled.

Jay Jay

Wasted the last hour trying to figure out why I was having issues updating my gps.

Turns out it was web filtering.  Garmin uses regular http calls to download the update components.  This worked for some of the smaller pieces but larger files (some as large as 800MB) were failing (logs indicated md5 mismatches).  After much head scratching I realized UTM was added since the last time I did an update.

I disabled both IPS and web filtering as snort was slowing down the download.  With these two disabled the update completely successfully.

One would think in this day and age garmin would be using https calls (which are excluded from web filtering by an exception).

So something to keep in mind if you have a nuvi or zumo and are having issues updating.



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  • I have been having this problem for years and the only solution I've found was to disable the Web Filtering.  None of the logs indicate a block, they are all allowed or pass.  But I have run across something odd, lets say I have 5 updates to do and I do them one at a time vice doing them all at once.  For the first one I need to disable the Web Filtering, once that is done I can re-enable the Web Filtering and all the rest of the updates can be completed without incident.  I can't explain it.  But I do leave the Web Filtering turned off during my updates now, I don't want half an update happening and then I brick my GPS.  Just not worth the risk.

     

    So if anyone has data they need to see, I can send a copy of the logs after I change any passwords that may be embedded.

     

    Cheers,

    -Joe

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  • I have been having this problem for years and the only solution I've found was to disable the Web Filtering.  None of the logs indicate a block, they are all allowed or pass.  But I have run across something odd, lets say I have 5 updates to do and I do them one at a time vice doing them all at once.  For the first one I need to disable the Web Filtering, once that is done I can re-enable the Web Filtering and all the rest of the updates can be completed without incident.  I can't explain it.  But I do leave the Web Filtering turned off during my updates now, I don't want half an update happening and then I brick my GPS.  Just not worth the risk.

     

    So if anyone has data they need to see, I can send a copy of the logs after I change any passwords that may be embedded.

     

    Cheers,

    -Joe

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