IMPORTANT
SNS 3.x versions have reached End of Maintenance since July 1st, 2024.
We recommend that you update your SNS firewalls to a version with maintenance to guarantee the protection of your infrastructure.
SNS 3.11.20 LTSB bug fixes
System
Authentication
Support reference 84358
When users enter the wrong password for connections via the SSL VPN client or on the captive portal, the firewall no longer wrongly generates the error "LDAP unreachable Bind error" in the alarm log file.
High availability - Configurations containing several hundred VLANs
Support reference 84522
In some high availability configurations containing several hundred VLANs, requests to show the high availability status will no longer cause abnormally excessive CPU consumption.
SMC server
Deployment of a VPN policy by an SMC server
Support reference 84311
After an SMC server deployed a VPN policy on an SNS firewall, errors would occasionally appear when objects were synchronized. This anomaly has been fixed.
Stability of the link between the SNS firewall and the SMC server
Support reference 83373
An anomaly in the mechanism that provides the link between the SNS firewall and SMC server, which could disrupt established links, has been fixed.
Intrusion prevention engine
Processing of fragmented packets
Support reference 83882
In configurations that handle a high volume of traffic, an issue with buffer management during the processing of fragmented packets has been fixed. This issue caused the firewall to freeze unexpectedly.