Cisco Bug: CSCvs50534 - Telegram application is sometimes not detected
Mar 06, 2020
- Cisco Firepower Management Center
Known Affected Releases
Symptom: Occasionally Telegram application is not detected Conditions: Certain IP addresses from the Telegram CIDR are used, IP addresses which do not appear in our detectors. Testing conditions: We can send and receive the message, send images and other media from inside to outside but cant receive images and other media from outside to inside. Customer found the issue using mobile app on android 7 (moto e4) , windows phone 10 and iphone (IOS 12.4). They have an allow rule for Telegram and a default block rule.
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Bug Details Include
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