maemo.org Bugzilla – Bug 9452
Incorrect TDC GPRS APN leads to IMAP connectivity problems
Last modified: 2010-03-08 20:06:57 UTC
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SOFTWARE VERSION: 3.2010.02-8 EXACT STEPS LEADING TO PROBLEM: Preconditions: Internet connections not created automatically and emails or not checked automatically, either. 1. Connected to the Internet over WIFI (my home WLAN). 2. Started Modest to connect to my IMAP server and checked my mail. This worked. 3. Disconnected from my WLAN and connected to the Internet over 3G (by means of "TDC www 3G+GPRS"). This worked. 4. Tried to open a SSH connection to my IMAP server. This worked. 5. Started Modest again to connect to my IMAP Server. This connection very often failed (and without warning - the only sign of failure was that the "Last Updated" time stamp for my email accounts wasn't chanced). Lately, it started to fail consistently. EXPECTED OUTCOME: Connecting to my IMAP server to check my emails should succeed as I've opened the appropriate port (993 for IMAPS) in my firewall. And if not, an appropriate warning should be provided. ACTUAL OUTCOME: Connecting to my IMAP server on port 993 failed without warning. REPRODUCIBILITY: A week ago: 1/5. Now: Always. EXTRA SOFTWARE INSTALLED: N/A OTHER COMMENTS: I found that /etc/operator_settings contained the following line: 238 1 TDC Mobil INTERNET TDC www 3G+GPRS wap That is, the APN for my provider has been set up to be "wap". Unfortunately, this is the APN for WAP access and not for general internet access (some operators apparently block select ports on WAP access points). Once I corrected the APN to be "internet", everything worked as expected. I can see that several other operation settings in /etc/operation_settings have been set to use "wap" or something similar as the APN. Seems odd for a device that doesn't feature a WAP browser. It would be good if Nokia could check that this is actually correct as many other N900 users will otherwise potentially experience mail problems and similar. Also, I would recommend that Modest is changed to report *all* connection problems. The absence of any warnings in the described scenario increases the severity of the problem.
Hi Bjarne, thanks for reporting this!
Duplicate of bug 9272?
Argh, true. Thanks for finding it! *** This bug has been marked as a duplicate of bug 9272 ***