Peterborough manager Darren Ferguson railed at referee Graham Horwood after Saturday's fiery 0-0 draw with former club Wrexham at London Road.
Ferguson says his complaint is not with Wrexham's tactics
"Their centre-back has head-butted our goalkeeper, elbowed our centre forward, that is total nonsense," he said after a game that included a 20-man brawl.
"My lads stuck together, what saddens me is the fact the referee has given us no protection all afternoon."
Wrexham manager Brian Little defended centre-back Steve Evans after the game.
The defender's clash with Joe Lewis ended with the Peterborough keeper being stretchered off, prompting the 20-man dust-up and leading Ferguson to confront Evans at the end of the match.
"Steve was a little bit late with challenge, but I thought that he genuinely went for the ball," Little told BBC Sport Wales.
"He scored a header from an identical situation last week. I'm 100% sure that it was an accident, Steve's eyes didn't leave the ball.
The last thing in the world we are is over-physical
Wrexham manager Brian Little
"The referee had a few difficult decisions to make and I thought he did all right, he made honest calls all day."
Ferguson insisted that he had "no interest in Wrexham or their tactics", and Little was pleased to have taken a point from the League Two high-fliers.
"We are fighting like crazy to stay up," said Little, whose side remain bottom but just one point behind Dagenham & Redbridge and Mansfield.
"Our system stifled Peterborough and stopped them playing as they wanted.
"The game plan is about pressure, but the last thing in the world we are is over-physical.
"The brawl shouldn't have happened, we need to be better behaved than that.
"But the players are desperate to represent Wrexham now, and those outside the team are battling to get in - that wasn't necessarily the case a few weeks ago."