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| Subject: | Re: OpenSSH 4.3 Banner Masking |
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| Date: | Thu, 28 Feb 2008 08:20:53 +0300 |
Hello Bit Bucket, For masking OpenSSH banner follow these steps: Step 1: Download the source file of OpenSSH (openssh-<version>.tar.gz) Step 2: Unpack this source file in a single directory. Step 3: In this directory, open 'version.h' file for editing. Step 4: Now change the parameter #define SSH_VERSION "OpenSSH_4.3" to #define SSH_VERSION "Undisclosed" Step 5: Now compile and install this source code Step 6: Cross check this, by telneting to port 22 The version number should now be stripped off. Enjoy !!! --- Nikhil Wagholikar Information Security Analyst NII Consulting Web: http://www.niiconsulting.com/ Security Products: http://www.niiconsulting.com/products.html On 27 Feb 2008 20:24:29 -0000, <my_bit_bucket@yahoo.com> wrote:
Is there a way to mask the banner displayed by OpenSSH 4.3 connecting to the service by SSH? For example, my test system displays "SSH-2.0-OpenSSH_4.3" when I "telnet [hostname] 22". Thanks very much! Regards, Bit Bucket
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