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| author | Guy Harris <guy@alum.mit.edu> | 2012-02-27 21:33:53 +0000 |
|---|---|---|
| committer | Guy Harris <guy@alum.mit.edu> | 2012-02-27 21:33:53 +0000 |
| commit | a53d24b4803c361082143c6b2c9f3f1c857becda (patch) | |
| tree | 6411f897b2084f74d43019ddc8ea0ecd305dc08a /epan/dissectors/packet-gsm_ipa.c | |
| parent | 3b938cde37af514910cb7d9346644a34b70ea7bd (diff) | |
Give more details in comments.
svn path=/trunk/; revision=41213
Diffstat (limited to 'epan/dissectors/packet-gsm_ipa.c')
| -rw-r--r-- | epan/dissectors/packet-gsm_ipa.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/epan/dissectors/packet-gsm_ipa.c b/epan/dissectors/packet-gsm_ipa.c index ba012a96f4..b5544aee27 100644 --- a/epan/dissectors/packet-gsm_ipa.c +++ b/epan/dissectors/packet-gsm_ipa.c @@ -1,5 +1,5 @@ /* packet-gsm_ipa.c - * Routines for packet dissection of ip.access GSM over IP + * Routines for packet dissection of ip.access GSM A-bis over IP * Copyright 2009 by Harald Welte <laforge@gnumonks.org> * Copyright 2009, 2010 by Holger Hans Peter Freyther <zecke@selfish.org> * @@ -34,13 +34,43 @@ #include <epan/ipproto.h> #include <epan/prefs.h> -/* http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xml +/* + * Protocol used by ip.access's nanoBTS GSM picocells to transport the GSM + * A-bis interface over TCP and UDP. + * + * See + * + * http://openbsc.osmocom.org/trac/wiki/nanoBTS + * + * for some information about this protocol determined by reverse- + * engineering. + */ + +/* + * These ports are also registered for other protocols, as per + * + * http://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.xml * * exlm-agent 3002 * cgms 3003 * ii-admin 3006 * vrml-multi-use 4200-4299 * commplex-main 5000 + * + * But, as that document says: + * + ************************************************************************ + * PLEASE NOTE THE FOLLOWING: * + * * + * ASSIGNMENT OF A PORT NUMBER DOES NOT IN ANY WAY IMPLY AN * + * ENDORSEMENT OF AN APPLICATION OR PRODUCT, AND THE FACT THAT NETWORK * + * TRAFFIC IS FLOWING TO OR FROM A REGISTERED PORT DOES NOT MEAN THAT * + * IT IS "GOOD" TRAFFIC, NOR THAT IT NECESSARILY CORRESPONDS TO THE * + * ASSIGNED SERVICE. FIREWALL AND SYSTEM ADMINISTRATORS SHOULD * + * CHOOSE HOW TO CONFIGURE THEIR SYSTEMS BASED ON THEIR KNOWLEDGE OF * + * THE TRAFFIC IN QUESTION, NOT WHETHER THERE IS A PORT NUMBER * + * REGISTERED OR NOT. * + ************************************************************************ */ #define IPA_TCP_PORTS "3002,3003,3006,4249,4250,5000" #define IPA_UDP_PORTS "3006" |