Cisco Cisco Firepower Management Center 4000 Release Notes

Version 5.3.0.6

Sourcefire 3D System Release Notes

25

Resolved Issues

Version 5.3

Improved the performance and stability of VPN. (116996, 119698, 123636)

Resolved an issue where modifying the device configuration on a clustered 

stack and immediately applying the changes caused the apply to fail and the 

system to display an error message in the task status queue. (121625)

Resolved an issue where, in some cases, installing a new intrusion rule 

update caused custom intrusion rule classifications referenced by 

correlation rules to revert to predefined classifications. (122163)

Resolved an issue where, in some cases, network discovery policies did not 

function as expected if you applied two or more network discovery rules 

constrained by the same zones and networks that were configured to 

discover a different combination of hosts, users, and applications. (122853)

Resolved an issue where LDAP authentication could fail if the DNS entries 

in your network environment for your LDAP server's hostname and IP 

address did not match. (123447)

Resolved an issue where updates of the Sourcefire 3D System required 

upwards of three hours on Series 3 appliances. (124148)

Resolved an issue where, in some cases, you could not edit a device group 

if it contained an inactive managed device. (124286)

The system now generates an error message when you attempt to install 

an intrusion rule update while the system is already running an update of 

the Sourcefire 3D System. (124290)

Resolved an issue where, in rare cases, the Defense Center did not back up 

events onto remote storage. (124350)

Resolved an issue where, in some cases, the system displayed an 

erroneous Please wait, loading... message. (124918)

Improved the performance of Nmap scans. (124999)

Resolved an issue where the system incompletely terminated failed 

intrusion rule updates. (125368)

Resolved an issue where the system generated false positive alerts on the 

SMTP preprocessor rules 124:1, 124:3, or 124:10. (125449)

Security

 Resolved multiple packet display issues. (125531, 132258)

Improved the performance of sensitive data analysis. (125588, 126167)

Resolved an issue where the system ran an Nmap scan from a device even 

if you used a remediation where Scan from reporting device was disabled. 

(125608)

Resolved an issue where the system generated false positive alerts in 

reassembly traffic if you enabled any of the auto-detect DCE/RPC 

preprocessor options. (125737)

Resolved an issue where, after importing a new intrusion rule update, the 

number of imported rules in an intrusion policy did not match the number of 

rules in the import log. (125900)