[asterisk-users] Firewall Issue

[RSCL Mumbai]

Hi,

(1) Since a few days, I am seeing unexpected (unwanted) calls reaching my
asterisk server.
Please see attached log files.

(2) I believe the source IP of these calls is the IP mentioned under the
CHANNELS column.

(3) But as per my firewall, these calls should not have reached Asterisk.
The should have been dropped by the Firewall.


Please suggest if my thinking is in the correct direction, and what should
be my next step.

Best regards,
Sans
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+---------------------+------------------------------+----------+-----+------------+-----------------------------+------------+---------+----------+----------+---------+-------------+----------+-------------+-----------------+-----------+-----------------+
| calldate            | clid                         | src      | dst | dcontext   | channel                     | dstchannel | lastapp | lastdata | duration | billsec | disposition | amaflags | accountcode | uniqueid        | userfield | dnid            |
+---------------------+------------------------------+----------+-----+------------+-----------------------------+------------+---------+----------+----------+---------+-------------+----------+-------------+-----------------+-----------+-----------------+
| 2011-08-04 11:23:15 | "000441913561021" <asterisk> | asterisk | s   | from-trunk | SIP/94.247.178.106-00000285 |            | Hangup  |          |       19 |      19 | ANSWERED    |        3 |             | 1312471395.2207 |           | 000441913561021 |
+---------------------+------------------------------+----------+-----+------------+-----------------------------+------------+---------+----------+----------+---------+-------------+----------+-------------+-----------------+-----------+-----------------+
+---------------------+------------------------------+----------+-----+------------+----------------------------+------------+---------+----------+----------+---------+-------------+----------+-------------+-----------------+-----------+-----------------+
| 2011-08-04 15:26:19 | "001441913561025" <asterisk> | asterisk | s   | from-trunk | SIP/72.32.198.159-00000401 |            | Hangup  |          |       18 |      18 | ANSWERED    |        3 |             | 1312485979.6667 |           | 001441913561025 |
+---------------------+------------------------------+----------+-----+------------+----------------------------+------------+---------+----------+----------+---------+-------------+----------+-------------+-----------------+-----------+-----------------+
+---------------------+------------------------------+----------+-----+------------+-------------------------+------------+---------+----------+----------+---------+-------------+----------+-------------+-----------------+-----------+-----------------+
| 2011-08-04 17:51:12 | "002441913561017" <asterisk> | asterisk | s   | from-trunk | SIP/50.28.9.55-000004b4 |            | Hangup  |          |       19 |      18 | ANSWERED    |        3 |             | 1312494672.7195 |           | 002441913561017 |
+---------------------+------------------------------+----------+-----+------------+-------------------------+------------+---------+----------+----------+---------+-------------+----------+-------------+-----------------+-----------+-----------------+
+---------------------+----------------------------+----------+-----+------------+-----------------------------+------------+---------+----------+----------+---------+-------------+----------+-------------+-----------------+-----------+---------------+
| 2011-08-04 16:20:20 | "2441913561035" <asterisk> | asterisk | s   | from-trunk | SIP/75.125.193.162-00000446 |            | Hangup  |          |       16 |      16 | ANSWERED    |        3 |             | 1312489220.6866 |           | 2441913561035 |
+---------------------+----------------------------+----------+-----+------------+-----------------------------+------------+---------+----------+----------+---------+-------------+----------+-------------+-----------------+-----------+---------------+