Grimsby Town boss Dave Artell told BBC Radio Humberside:
"It was a tight game, I thought it was fairly attritional. I'm not sure there was too much football played from either team, if I'm being honest.
[On reaction to second goal] "As soon as it went in I said, 'That's offside.' That's it, that's my view.
"I'm going to see the referee in a minute because the explanation we had at half-time of 'it was one for VAR' doesn't sit quite comfortable with me because we've not had VAR all season.
"They (Salford) wanted to stop us playing and I thought they were fairly successful at that.
"We've took more points since Christmas than any other team and we've already been there and won 2-0... all those things that are relevant but sort of inconsequential as well because it's going to be what happens on Friday night."
Salford City boss Karl Robinson said:
"I almost clapped their goal because it was a brilliant finish.
"But every single one of my players stood up to the challenge from that point on.
"I'm not under any illusions as to how hard it is going to be on Friday, and if we were a goal behind, we'd be standing here saying we're still in the tie.
"We are still up against it and you can twist a two-legged tie however you want to in terms of who has the advantage… and the one we have is only a small one.
"As a collective, that was one of our best away performances of the season, which shows how good the opposition are because it was incredibly tight."