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DCE-RPC traffic is dropped on High Ports
| Solution ID |
sk65676 |
| Product |
Security Gateway |
| Version |
R70, R71, R75, R77, R77.10, R77.20, R77.30 |
| Platform / Model |
All |
| Date Created |
2011-11-02 00:00:00.0
|
| Last Modified |
2016-01-11 03:40:17.0
|
Symptoms
- SmartView Tracker logs show that DCE-RPC traffic on High Ports is dropped, although a rule with the ALL_DCE_RPC service exists.
Dropped traffic:
Cause
Possible reasons:
- The DCE-RPC traffic is matched to a rule that allows traffic on TCP port 135 and located above the rule with the "ALL_DCE_RPC" service.
- The RPC initiator (traffic on TCP port 135) must pass through the Security Gateway on the "ALL_DCE_RPC", so the session "real" traffic on the higher port will pass.
Solution
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