diff --git a/LegitimateURLShortener.txt b/LegitimateURLShortener.txt
index 12d3db89f..df741ebb3 100644
--- a/LegitimateURLShortener.txt
+++ b/LegitimateURLShortener.txt
@@ -1,5 +1,5 @@
 ! Title: ➗ Actually Legitimate URL Shortener Tool
-! Version: 22September2026v3
+! Version: 22September2026v4
 ! Expires: 12 hours
 ! Description: In a world dominated by bitLy, adfLy, and several thousand other malware cover-up tools, this list reduces the length of URLs in a much more legitimate and transparent manner. Essentially, it automatically removes unnecessary ?/& values from the URLs, making them easier to copy from the URL bar and pasting elsewhere as links. Enjoy.
 ! Homepage: https://github.com/DandelionSprout/adfilt/discussions/163
@@ -5536,6 +5536,17 @@ $doc,removeparam=mpch,domain=shutterfly.com|shutterflyinc.com
 ||cc.rs6.net/tn.jsp$doc,removeparam=c
 ||cc.rs6.net/tn.jsp$doc,removeparam=ch
 
+! https://github.com/DandelionSprout/adfilt/discussions/163#discussioncomment-18539173
+||norton.com^$doc,removeparam=fermat_redirect
+||norton.com^$doc,removeparam=fermat_channel
+||norton.com^$doc,removeparam=fermat_adid
+||norton.com^$doc,removeparam=fb_ad
+||norton.com^$doc,removeparam=fb_adid
+||norton.com^$doc,removeparam=fb_adset
+||norton.com^$doc,removeparam=fb_campaign
+||norton.com^$doc,removeparam=fb_campaignid
+||norton.com^$doc,removeparam=om_ext_cid
+
 !#if !env_mobile
 ! 🖥️ ——— Entries mostly dedicated to maximising image sizes (thus poorly suited for phones) ——— 🖥️ !
 ! https://sproutsluckycorner•files•wordpress•com/2019/12/ring-fit-adventure-smoothies-1•png?w=600 (Shows the actual raw image instead of a promotion page; 25/11/2020)