In 2003 , code from ALTQ , which had a license disallowing the sale of derivatives , was relicensed , integrated into pf .
In 2003 , code from ALTQ , which had a license disallowing the sale of derivatives , was made available in OpenBSD 3.3 .
In 2003 , code from ALTQ , which had a license disallowing the sale of derivatives , was relicensed , integrated into pf and made available in OpenBSD 3.3 .