This was about TCP but I've seen it used (or abused) in other contexts. This can lead to other undesirable effects. For instance, being liberal in what you acce

This was about TCP but I've seen it used (or abused) in other contexts. This can lead to other undesirable effects. For instance, being liberal in what you accept may make your system less secure (larger code base to manage, more features to consider, especially features users are not actively using, ..)