Play-off rivals Histon and Stevenage played out a 0-0 draw in front of the Setanta Sports cameras on Tuesday.
The game was not short on goalmouth activity, Steve Morison for Stevenage and Antonio Murray of Histon passed up gilt-edged changes while Jamie Barker hit a post, but the two sides had to settle for a point apiece.
James Constable grabbed a brace as Oxford continued their push for a play-off place with a 3-1 win at Rushden & Diamonds.
Grays hauled themselves out of the drop zone with a battling point at promotion chasing Torquay. Grays led at the break through Jamie Taylor, but Roscoe D’Sane earned a point for Torquay.
An early goal from Sean Clohessy earned Salisbury a vital win over Ebbsfleet who dropped back into the relegation zone.
Lowly York City dented Kettering’s play-off hopes when holding their visitors to a 0-0 draw at KitKat Crescent.
Lewes were not in action on Tuesday, but were relegated after just one season in the Blue Square Premier on account of other results not going their way.