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What is causing this behavior?

Click the Exhibit button. — Exhibit – — Exhibit — Referring to the exhibit, AppTrack is only
logging the session closure messages for sessions that last 1 to 3 minutes. What is causing
this behavior?

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A.
AppTrack is not properly configured under the [edit security application-tracking]
hierarchy.

B.
AppTrack only generates session update messages.

C.
AppTrack only generates session closure messages.

D.
AppTrack generates other messages only when the update interval is surpassed.

Explanation:

8 Comments on “What is causing this behavior?

  1. pawel says:

    https://www.juniper.net/techpubs/en_US/junos12.1/information-products/topic-collections/security/software-all/security/junos-security-swconfig-security.pdf
    page 1376:
    … If a short-lived session starts and ends within the update interval, AppTrack generates a message only at session close.
    When you want the initial update message to be sent earlier than the specified update
    interval, use the first-update-interval. The first-update-interval lets you enter a shorter
    intervalfor the first update only. Alternatively, you can generate the initial update message
    at session start by using the first-update option




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  2. ahmed says:

    By default, when each session closes, AppTrack generates a message that provides the byte and packet counts and duration of the session, and sends it to the host device

    and :

    If you enable AppTrack for a zone and specify a session-update-interval time, whenever a packet is received, AppTrack checks whether the time since the start of the session or since the last update is greater than the update interval. If so, AppTrack updates the counts and sends an update message to the host. If a short-lived session starts and ends within the update interval, AppTrack generates a message only at session close.

    http://www.juniper.net/documentation/en_US/junos12.1/topics/concept/app-track-understanding.html

    It is C , correct ?




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