Forum Discussion

Chen_Farchi's avatar
Chen_Farchi
Icon for Nimbostratus rankNimbostratus
Dec 19, 2019

Underscore in domain name

Hi,   In ASM, trying to add a domain name or allowed redirect domain with an underscore (_) in it and getting an error even though underscore is allowed in domain names in the RFC. There is any ...
ASM Advanced WAF
operations
security
FF's avatar
FF
Icon for Employee rankEmployee
Jan 03, 2020

If you are referring to the HTTP Redirection Protection feature in ASM, there could be a limitation based on RFC1035. For more information, refer to https://support.f5.com/csp/article/K14020243