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Home Documentation Junos OS Junos CLI Reference CLI Reference T

Junos CLI Reference

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Junos CLI Reference
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tcp-session

date_range 20-Nov-23
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Syntax

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tcp-session {
    aggressive-tcp-ack;
    fin-invalidate-session;
    maximum-window(128K | 1M | 256K | 512K | 64K);    
    no-sequence-check;
    no-syn-check;
    no-syn-check-in-tunnel;
    rst-invalidate-session;
    rst-sequence-check;
    strict-syn-check;
    tcp-fast-open;
    tcp-initial-timeout seconds;
    tcp-selective-ack;
    time-wait-state {
        (session-ageout | session-timeout seconds);
        }
}

Hierarchy Level

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[edit security flow]

Description

Configure TCP session attributes:

  • Aggressive TCP ACK

  • FIN invalidate session—To Immediately end the session on receipt of fin (FIN) segment.

  • Maximum window—Maximum TCP proxy scaled receive window, default 256K bytes.

  • TCP sequence number checking.

  • TCP SYN bit checking.

  • Reset (RST) checking.

  • Initial TCP session timeout—The minimum value you can configure for TCP session initialization is 4 seconds. The default value is 20 seconds; if required you can set the TCP session initialization value to less than 20 seconds.

  • Strict TCP SYN checking.

  • TCP fast open (FSO) for TCP proxy session.

  • TCP session timeout for time-wait state.

  • TCP selective ack for TCP proxy session.

Options

The remaining statements are explained separately. See CLI Explorer.

Required Privilege Level

security—To view this in the configuration.

security-control—To add this to the configuration.

Release Information

Statement introduced in Junos OS Release 8.5.

Related Documentation

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