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Rafael Diniz rafael at riseup.netHi Neels, Now I have a fully working system! GPRS working! Thanks! Rafael Diniz On 02/25/2018 08:17 PM, Neels Hofmeyr wrote: > On Sun, Feb 25, 2018 at 12:50:54AM -0300, Rafael Diniz wrote: >> osmo-sgsn gives me: >> MM(250026920931392/e550701e) Updating authorization (unknown -> >> authenticate) >> 20180225034309988 DMM <0002> sgsn_auth.c:236 >> MM(250026920931392/e550701e) Missing auth tuples, authorization not possible >> 20180225034309988 DMM <0002> sgsn_auth.c:248 >> MM(250026920931392/e550701e) Got authorization update: state unknown -> >> rejected >> 20180225034309988 DMM <0002> gprs_gmm.c:1140 >> MM(250026920931392/e550701e) Not authorized, rejecting ATTACH REQUEST >> with cause 'IMSI unknown in HLR' (2) > > Hi Rafael, > > as Vadim pointed out, you won't be able to do Authentication without the actual > auth tuples, which you most likely do not know for an arbitrary SIM. > > In 2G however, it is possible to connect without Authentication. I think > that's done by 'auth-policy closed' and using 'ismi-acl add <your-imsi>', in > the osmo-sgsn.cfg under 'sgsn'. Then you're not using the HLR at all. > > In the MSC, we have added a configuration option 'authentication optional' so > that you can use the HLR and allow missing auth data there, but the SGSN hasn't > seen attention to that detail yet. There it's all or nothing, IIRC. > > Looking forward to hear your results on it... > > ~N > > > -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 833 bytes Desc: OpenPGP digital signature URL: <http://lists.osmocom.org/pipermail/openbsc/attachments/20180226/2e184bf1/attachment.bin>