Stefano Marinelli
boosted
My upcoming book, The Book of PF 4th edition, is part of B&N’s pre-order sale Sept 3–5! Use code PREORDER25 for 25% off (35% for Premium members).
#bookofpf #bnpreorder #openbsd #freebsd #pf #packetfilter #networking #security #nostarch #barnesandnoble