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Take a look at our Documentation section for full details about every Burp Suite tool, function and configuration option.

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Burp Extender

Burp Extender lets you extend the functionality of Burp Suite in numerous ways.

Extensions can be written in Java, Python or Ruby.

API documentation Writing your first Burp Suite extension
Sample extensions View community discussions about Extensibility

Bug Reports

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  • Bundled JRE can generate DH pairs larger than 2048 bits

    Hello, Burp Suite v1.7.37 is bundled with Java 1.8.0_112. This version of Java is quite old and can't generate DH pairs (used for SSL) larger than 2048 bits. The site is good testbed (pair size = 4096), as indicated in the SSL Labs report (search for "Java 8"): I w...

    5 Agent Answers    5 Community Answers
    Nov 13, 2018 10:33AM UTC
  • Old 1.6.x Windows bug on beta version

    Hi, The latest beta version is not silently deleting temp folders on start 2.0.11beta / Windows 10

    3 Agent Answers    1 Community Answer
    Nov 12, 2018 08:59PM UTC
  • gettin error code : SSL_ERROR_RX_RECORD_TOO_LONG

    iam using firefox ,i changed proxy and imported CA certificate. when i try to intercept iam getting error message Secure Connection Failed An error occurred during a connection to SSL received a record that exceeded the maximum permissible length. Error code: SSL_ERROR_RX_RECORD_TOO_LONG The page you are trying to view cannot be shown because the authenticity of the r...

    6 Agent Answers    21 Community Answers
    Nov 09, 2018 12:30PM UTC
  • Memory consumption is too high (RAM)

    I am using Burp beta 2.0.11. Looks like it has memory leak issue, when I start scanning, it was good but the memory consumption was increasing. I usually close the burp and restart to free the memory. But when I reopen the project file and resume the scanning, the memory consumption goes upto 6.5 GM in few minutes. Is there any workaround for it? I am not able to complete the scanning.

    1 Agent Answer    1 Community Answer
    Nov 08, 2018 06:02AM UTC
  • GUI is not optimal even with driver already installed on Elementary OS

    Using Elementary OS Juno with java 1.8 jdk and with gpu drivers already installed (bumblebee beacuse of nvidia) , gives a minimized GUI context compered to others windows and GUI of other softwares... Look at screenshot here:

    1 Agent Answer    1 Community Answer
    Nov 07, 2018 02:16PM UTC
  • Bug in Choose File button of Darcula Theme

    Hi Burp, Using the new darcula theme of Burp pro, it seems that when being prompt for either: - Temporary project - New project on disk - Open existing project the "Choose file" buttons of that window are not working. When reverting to the default theme, the buttons work properly so it seems it is linked to the used theme. Kind regards, Thomas

    4 Agent Answers    4 Community Answers
    Nov 07, 2018 09:17AM UTC
  • Dark Theme Bug

    Hi Burp, First of all, thank you for introducing a dark theme to the burp suite, this is awesome ! :) I directly started to use it, and I noticed a little bug: In the Dashboard tab, when looking into the details of an issue, the "Static analysis" tab stays in the default theme while all the other windows and tabs are correctly using the Darcula theme. I guess this is not intend a...

    1 Agent Answer    0 Community Answer
    Oct 31, 2018 01:50PM UTC
  • Holding down a vowel character in repeater tab crashes burp (OS X)

    The following issue seems only applicable on OS X. When pasting 'a' characters in the repeater by holding down the 'a'-key on the keyboard, burp starts to fail. No more characters can be inserted in the repeater request body. The problem is present in the .jar version and in the native version on OS X. It seems to be a problem with the vowels. On OS X, when working in MS Wor...

    1 Agent Answer    0 Community Answer
    Oct 31, 2018 10:51AM UTC
  • 2.0.09beta - Cookie Jar does not update with scanner

    The cookie jar does not appear to update with cookies received during active scans. The project options were configured to update the cookie jar from both the proxy and scanner. The proxy was working as expected, however no updates were occurring when a scan was running. The application being scanned updates the cookie upon each request therefore updates should have been occurring constantly. ...

    1 Agent Answer    0 Community Answer
    Oct 25, 2018 10:32AM UTC
  • Re-running a 1.0.06beta Enterprise installer shows an error backing up the agent config

    In Static members: In action "Backup agent.config file [Run script]" (screen "Installation location"), property "Script": java.nio.file.InvalidPathException: Illegal char <:> at index 10: ${compiler:release.version} at java.base/sun.nio.fs.WindowsPathParser.normalize( at java.base/sun.nio.fs.WindowsPathParser.parse(...

    1 Agent Answer    3 Community Answers
    Oct 24, 2018 06:53PM UTC