Most sites only have up to about 5 links in/near the header though the actual number may be more than that (or less). Personally I would recommend no more than 5 since otherwise it will possibly ruin the look of the forum and mess with your on site SEO (I think ).

JGM.
JGM Reviewed by JGM on . Header text links related Hi guys, I just want to know that how many text links r allowed in header according to Katz rules.. 5 or more =) Thank you Rating: 5