can you post the log after having the forbidden ?
and make sure httpdyndns= is not in the config.
If it's there, remove it..
ok here is the logfile:
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>> OSCam << cardserver log switched at Mon Oct 1 18:13:06 2012
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2012/10/01 18:13:06 59B668 c >> OSCam << cardserver log switched, version 1.20-unstable_svn, build #6059 (mips-tuxbox-linux)
2012/10/01 18:13:06 59B668 c version=1.20-unstable_svn, build #6059, system=mips-tuxbox-linux, nice=-1
2012/10/01 18:13:06 59B668 c client max. idle=120 sec, debug level=0
2012/10/01 18:13:06 59B668 c max. logsize=10 Kb, loghistorysize=4096 bytes
2012/10/01 18:13:06 59B668 c client timeout=5000 ms, fallback timeout=2500 ms, cache delay=120 ms
2012/10/01 18:13:06 59B668 c user cnl1 authenticated successfully (CCcam)
2012/10/01 18:13:06 59B668 c AU disabled for user cnl1
2012/10/01 18:13:13 595868 c mudxx1 (1843&003411/EF15/89:97A7): found (670 ms) by hdplus
2012/10/01 18:13:13 5911E8 c cnl1 (1843&003411/5274/89:4CC3): found (1218 ms) by hdplus
2012/10/01 18:13:15 59CDE8 c client connected to 12002 port
2012/10/01 18:13:15 59E568 c client connected to 12001 port
2012/10/01 18:13:15 59CDE8 c encrypted newcamd:12002-client 41.248.150.244 granted (arab5, au=off)
2012/10/01 18:13:15 59E568 c encrypted newcamd:12001-client 41.248.150.244 granted (arab5, au=off)
2012/10/01 18:13:15 59CDE8 c user arab5 authenticated successfully (generic)
2012/10/01 18:13:15 59E568 c user arab5 authenticated successfully (generic)
2012/10/01 18:13:15 59E568 c AU disabled for user arab5
2012/10/01 18:13:15 59CDE8 c AU disabled for user arab5
2012/10/01 18:13:16 588108 r Error processing ecm for caid 0D02, srvid 1006 (servicename: 0D02:1006 unknown) on reader upc.
2012/10/01 18:13:16 59CDE8 c arab5 (0D02&0000A0/1006/92:01F9): not found (158 ms) by upc
2012/10/01 18:13:18 59E568 c arab5 (1843&003411/151A/89:62D0): found (669 ms) by hdplus
2012/10/01 18:13:19 5911E8 c cnl1 (1843&003411/5274/89:7DFE): found (1395 ms) by hdplus
2012/10/01 18:13:20 595868 c mudxx1 (1843&003411/EF10/89:666E): found (666 ms) by hdplus
2012/10/01 18:13:20 59FFC8 c client connected to 12002 port
2012/10/01 18:13:20 59FFC8 c encrypted newcamd:12002-client 46.102.245.91 granted (fadih1, au=off)
2012/10/01 18:13:20 59FFC8 c user fadih1 authenticated successfully (generic)
2012/10/01 18:13:20 59FFC8 c AU disabled for user fadih1
2012/10/01 18:13:23 59CDE8 c arab5 (0D02&0000A0/1006/92:01F9): not found (120 ms) by upc
2012/10/01 18:13:25 5911E8 c cnl1 (1843&003411/5274/89:009C): found (673 ms) by hdplus
2012/10/01 18:13:27 595868 c mudxx1 (1843&003411/EF15/89:1F47): found (668 ms) by hdplus
2012/10/01 18:13:31 59FFC8 c fadih1 (0D02&0000A0/01FC/84:4B53): found (332 ms) by upc
2012/10/01 18:13:32 5911E8 c cnl1 (1843&003411/5274/89:5943): found (666 ms) by hdplus
2012/10/01 18:13:34 595868 c mudxx1 (1843&003411/EF15/89:FC4B): found (668 ms) by hdplus
2012/10/01 18:13:35 588108 r Error processing ecm for caid 0D02, srvid 0B18 (servicename: 0D02:0B18 unknown) on reader upc.
2012/10/01 18:13:35 59CDE8 c arab5 (0D02&0000A0/0B18/89:AC8B): not found (110 ms) by upc
2012/10/01 18:13:38 59FFC8 c fadih1 (0D02&0000A0/01FC/84:03FE): found (332 ms) by upc
2012/10/01 18:13:39 5911E8 c cnl1 (1843&003411/5274/89:DBEF): found (665 ms) by hdplus
2012/10/01 18:13:41 595868 c mudxx1 (1843&003411/EF15/89:9B6B): found (664 ms) by hdplus
2012/10/01 18:13:46 5911E8 c cnl1 (1843&003411/5274/89:BDB0): found (666 ms) by hdplus
2012/10/01 18:13:48 595868 c mudxx1 (1843&003411/EF15/89:FACF): found (665 ms) by hdplus
2012/10/01 18:13:53 5911E8 c cnl1 (1843&003411/5274/89:72FC): found (665 ms) by hdplus
2012/10/01 18:13:55 595868 c mudxx1 (1843&003411/EF15/89:777A): found (667 ms) by hdplus
2012/10/01 18:13:56 59B668 c cnl1 (0D02&0000A0/7857/84:F0AF): found (333 ms) by upc
2012/10/01 18:14:00 5911E8 c cnl1 (1843&003411/5274/89:3631): found (672 ms) by hdplus
2012/10/01 18:14:02 595868 c mudxx1 (1843&003411/EF15/89:DDC1): found (668 ms) by hdplus
2012/10/01 18:14:03 59CDE8 c arab5 (0D02&0000A0/7603/84:8E1F): found (332 ms) by upc
2012/10/01 18:14:07 59CDE8 c arab5 (0D02&0000A0/0B18/89:AC8B): not found (120 ms) by upc
2012/10/01 18:14:07 5911E8 c cnl1 (1843&003411/5274/89:9A1C): found (672 ms) by hdplus
2012/10/01 18:14:09 595868 c mudxx1 (1843&003411/EF15/89:2D22): found (670 ms) by hdplus
2012/10/01 18:14:14 588108 r Error processing ecm for caid 0D02, srvid 77EF (servicename: 0D02:77EF unknown) on reader upc.
2012/10/01 18:14:14 59CDE8 c arab5 (0D02&0000A0/77EF/84:59AB): not found (69 ms) by upc
2012/10/01 18:14:14 5911E8 c cnl1 (1843&003411/5274/89:D9DA): found (677 ms) by hdplus
2012/10/01 18:14:14 59CDE8 c arab5 (0D02&0000A0/0B18/89:AC8B): not found (120 ms) by upc
2012/10/01 18:14:16 595868 c mudxx1 (1843&003411/EF15/89:087E): found (666 ms) by hdplus
2012/10/01 18:14:19 59CDE8 c arab5 (0D02&0000A0/77EF/84:59AB): not found (120 ms) by upc
2012/10/01 18:14:21 5911E8 c cnl1 (1843&003411/5274/89:07A7): found (668 ms) by hdplus
2012/10/01 18:14:23 595868 c mudxx1 (1843&003411/EF15/89:AD10): found (668 ms) by hdplus
2012/10/01 18:14:27 59CDE8 c arab5 (0D02&0000A0/77EF/84:59AB): not found (120 ms) by upc
2012/10/01 18:14:28 5911E8 c cnl1 (1843&003411/5274/89:1103): found (665 ms) by hdplus
2012/10/01 18:14:35 5940E8 c user mudxx1 reached 120 sec idle limit.
2012/10/01 18:14:35 5911E8 c cnl1 (1843&003411/5274/89:D882): found (666 ms) by hdplus
2012/10/01 18:14:35 59CDE8 c arab5 (0D02&0000A0/76D0/84:7F77): found (334 ms) by upc
2012/10/01 18:14:37 595868 c mudxx1 (1843&003411/EF15/89:132F): found (665 ms) by hdplus
2012/10/01 18:14:38 5A7638 c client connected to 12002 port
2012/10/01 18:14:38 5A7638 c encrypted newcamd:12002-client 87.106.35.224 granted (mudxx1, au=off)
2012/10/01 18:14:38 5A7638 c user mudxx1 authenticated successfully (CCcam)
2012/10/01 18:14:38 5A7638 c AU disabled for user mudxx1
2012/10/01 18:14:42 5911E8 c cnl1 (1843&003411/5274/89:F4E6): found (669 ms) by hdplus
2012/10/01 18:14:42 59CDE8 c arab5 (0D02&0000A0/0B18/89:AC8B): not found (122 ms) by upc
2012/10/01 18:14:43 59CDE8 c arab5 (0D02&0000A0/77EF/84:59AB): not found (120 ms) by upc
2012/10/01 18:14:44 595868 c mudxx1 (1843&003411/EF15/89:5511): found (667 ms) by hdplus
2012/10/01 18:14:47 586868 h unauthorized access from 192.168.10.1 flag 1
2012/10/01 18:14:49 5911E8 c cnl1 (1843&003411/5274/89:A1D1): found (670 ms) by hdplus
2012/10/01 18:14:52 59CDE8 c arab5 (0D02&0000A0/7856/84:6000): found (332 ms) by upc
2012/10/01 18:14:52 595868 c mudxx1 (1843&003411/EF15/89:0CFC): found (666 ms) by hdplus
2012/10/01 18:14:57 5911E8 c cnl1 (1843&003411/5274/89:5BC5): found (668 ms) by hdplus
2012/10/01 18:14:58 595868 c mudxx1 (1843&003411/EF15/89:2CEA): found (665 ms) by hdplus
2012/10/01 18:14:59 59CDE8 c arab5 (0D02&0000A0/0B18/89:AC8B): not found (120 ms) by upc
2012/10/01 18:15:02 59B668 c cnl1 (0D02&0000A0/78C2/84:A994): found (339 ms) by upc
2012/10/01 18:15:03 5911E8 c cnl1 (1843&003411/5274/89:F915): found (667 ms) by hdplus
2012/10/01 18:15:05 595868 c mudxx1 (1843&003411/EF15/89:4370): found (664 ms) by hdplus