Kaspersky Anti-Virus 5.5 for Proxy Server: Maintenance Pack 1 (build 5.5.39)


Kaspersky Anti-Virus 5.5 for Proxy Server


Kaspersky Anti-Virus 5.5 for Proxy Server: Maintenance Pack 1 (build 5.5.39)

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2018 Apr 18 ID: 1335

Kaspersky Lab announces release of Maintenance Pack 1 for Kaspersky Anti-Virus 5.5 for Proxy Server (build 

What is new: 

  • Added support for Cisco Content Engine, BlueCoat ProxySSG and NetCache appliances. 


  • Added support of Squid 2.6 


  • Added support of 64-bit Linux and FreeBSD distributions.


  • Improved installation and configuration procedure. 


  • Revised the Administrator's Manual. 


  • Added ICAP Preview support. Can be configured by using "PreviewSize" 


  • ICAP "Allow 204" answer can be configured using "Allow204" parameter 


  • Added "processed_traffic" and "clean_traffic" counters in the counters tatistics 


  • Added PassiveFtp=yes in the default config 


  • Implemented Diff updates scheme, which allows significantly reducing update traffic. 


Changed features: 

  • Changed the distribution files layout:
    • For Linux systems new files layout conforms to FHS 2.3 
    • For FreeBSD systems new files layout conforms to hier(7) 


  • Antiviral bases set can be specified for every user group in the section [icapserver.engine.options]. Section [icapserver.engine] is obsolete. 


  • Improved handling of core files. 


  • Backtrace now is stored in a separate file. This file located in the core file directory. 


  • Configuring of group parameters enhanced. 

If you want to specify parameters for a group in a separate section, you can specify only parameters you would like to alter in this section. Other parameters will be fetched from the default group for this section.

  • The antiviral scan time limit "MaxScanTime" is in the section [icapserver.engine.options] now. When this time is exceeded, scanned object will produce the "error" verdict. 


  • All objects which fall under one of the filtering rules, obtain the "FILTERED" verdict. 


  • Filtered objects are shown in the report file, if ShowOk it turned on.


  • Parameter "HTTPClientIpField" is obsolete. 


  • Improved performance of statistics 


  • Improved performance of ICAP requests handling. 


  • Changed RegionSettings parameter notation according to ISO 3166 


  • DiffUtilPath, UploadPatchPath parameters are no longer used 


Product Installation and Upgrade 

If Kaspersky Anti-Virus is not installed on the computer yet, use the command corresponding to the installed OS to install the application: 

at Linux/RPM: 

rpm -i <PACKAGE>.rpm 

at Linux/Debian: 

dpkg -i <PACKAGE>.deb 

at FreeBSD: 

# pkg_add <PACKAGE>.tgz 

Upgrade from previous versions is not supported. You should manually remove previous version and install new one.

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