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SSH Tectia 
PreviousNextUp[Contents] [Index]

    About This Document >>
    Installing SSH Tectia Server >>
    Getting Started >>
    Configuration >>
        Configuration Files >>
        Subconfigurations >>
        Enabling FIPS Mode
        Ciphers and MACs
        Compression
        Configuring Root Logins
        Restricting User Logins
        Subsystems
        Configuring ssh2 for ssh1 Compatibility
        Auditing >>
        Securing SSH Tectia Client and Server >>
    Authentication >>
    Application Tunneling >>
    Troubleshooting >>
    Man Pages
    Advanced Options >>
    Log Messages >>

Compression

SSH Tectia Server uses GNU ZLIB (LZ77) for compression. The zlib compression is described in RFC 1950 and in RFC 1951.

By default, compression is disabled. Compression can be enabled in the ssh2_config file:

Compression         yes

Alternatively, compression can be enabled on the command line:

$ ssh2 +C username@remote

Compression is worth using if your connection is slow (for example, a modem connection). The efficiency of the compression depends on the type of the file, and varies widely. It is close to 0% for already compressed files like zip and often 50% or even more for text files.

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