Jason Gregory Varcoe, of Banksia Crescent in Dubbo, had been drinking at the Pastoral Hotel on July 5 when his friend was asked to leave because of his level of intoxication about 1am.

The 42-year-old began filming an argument between his friend and the security guard on his mobile, before another man knocked the phone out of his hand.

Varcoe grabbed his phone before turning around and punching the man once to the left side of his face, causing him to "recoil back and lose balance", court documents revealed.

In an act of self defence, police said the victim and security guard push Varcoe causing him to "tumble backwards onto his backside on the gutter".

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Varcoe climbed back to his feet and approached the man he had punched, when the uniformed security guard intervened, and was punched in the left shoulder.

Police said Varcoe continued to throw punches at the security guard, who pushed back and punched him in self defence.

During this Varcoe punched him in the head and caused a laceration, which left blood running down his face.

The security guard bought Varcoe to the ground to restrain him when police arrived.

Police tried to handcuff him, however he broke free.

Facts reveal the first victim Varcoe punched required ongoing medical treatment after he had surgical intervention as a result of fractures to his inner cheek bone.

Varcoe pleaded guilty to two counts of assault occasioning actual bodily harm and resist an officer in the execution of duty at Dubbo Local Court on Wednesday.

Defence lawyer David Hemsworth said the father of four was provoked and stressed from working up to 60 hours a week at the time of the offence, after his wife had lost her job as a barista due to COVID-19.

Mr Hemsworth, along with references tended in court said this was a "rare occurrence" for Varcoe.

"It's a significant strain on anyone," Mr Hemsworth said.

"He hasn't been to a pub or any licenced venue since the offence I'm told. He's not a drinker."

Magistrate Gary Wilson agreed Varcoe was a person of good character and had a good history, but said it was an "inexcusable reaction" to the incident.

"You are most fortunate you don't have a criminal history or any offences of this type, because you would be heading to jail," he said.

"If this type of behaviour happens again that'll be the outcome."

"You inflicted fairly significant injury to two people for such a minor issue."

Varcoe was sentenced to a community corrections order for 18 months and ordered to abstain from alcohol.