Bristol Rovers and Hereford were both denied by the woodwork as they took home a share of the points.
Matt Harold went close for Rovers before half time but saw his glancing header from Matt Gill's cross bounce off the far post.
Danny Williams almost put the visitors ahead, however his drifting cross hit the upright after beating Rovers keeper Scott Bevan.
Lee Brown should have won it late on for Bristol but headed wide.
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Hereford United manager Jamie Pitman told BBC Hereford and Worcester:
"We've defended very well today and ground out a very good point at what is a very difficult place to come.
"Paul Buckle has got a great record at this level and knows how to organise his teams well.
"We've come under a bit of pressure but also on the other hand we have had our moments as well."