Probably "TCP/IP Illustrated" https://www.amazon.com/gp/aw/d/0321336313/ref=dbs_a_w_dp_0321336313 https://www.amazon.com/gp/aw/d/0321336313/ref=dbs_a_w_dp_032..

Probably "TCP/IP Illustrated" https://www.amazon.com/gp/aw/d/0321336313/ref=dbs_a_w_dp_0321336313 https://www.amazon.com/gp/aw/d/0321336313/ref=dbs_a_w_dp_032... But maybe also: "Advanced Programming in the UNIX Environnement" https://www.amazon.com/gp/aw/d/B00DB3G8KY/ref=dbs_a_w_dp_b00db3g8ky https://www.amazon.com/gp/aw/d/B00DB3G8KY/ref=dbs_a_w_dp_b00... Which is really good