Bot signature update for December 2025

Updated signatures rules are generated for the bots identified in the week 2025-03-12. You can download and configure these signature rules to protect your appliance from bot attacks.

Bot signature version

Signature version 21 applicable for NetScaler platforms with 13.0-76.31 or later builds.

New bot signatures in this version

Following is a list of bot signature rule IDs, category and its type.

Bot signature ID Bot Category Bot Type
4943 Scraper Bad Bot
4944 Uncategorized Bad Bot
4945 Site Monitor Good Bot
4946 Scraper Bad Bot
4947 Scraper Bad Bot
4948 Uncategorized Bad Bot
4949 Uncategorized Good Bot
4950 Search Engine Good Bot
4951 Uncategorized Good Bot
4952 Scraper Bad Bot
4953 Scraper Good Bot
4954 Screenshot Creator Good Bot
4955 Marketing Good Bot
4956 Uncategorized Good Bot
4957 Search Engine Bad Bot
4958 Tool Bad Bot
4959 Tool Bad Bot
4960 Crawler Good Bot
4961 Scraper Bad Bot
4962 Scraper Bad Bot
4963 Scraper Bad Bot
4964 Scraper Bad Bot
4965 Vulnerability Scanner Bad Bot

Updated bot signatures in this version

Following is a list of bot signature rule IDs, category and its type.

Bot signature ID Bot Category Bot Type
378 Scraper Good Bot
1469 Tool Bad Bot
1969 Search Engine Bad Bot
3798 Marketing Good Bot
4013 Search Engine Good Bot
4377 Crawler Good Bot
4452 Search Engine Good Bot
4503 Marketing Good Bot
4581 Marketing Good Bot
4734 Tool Bad Bot
4803 Tool Bad Bot
4917 Tool Good Bot
4922 Crawler Good Bot
4923 Search Engine Good Bot
4924 Scraper Bad Bot
4931 Scraper Bad Bot
Bot signature update for December 2025