solveed all week02

2024-11-10 19:46:45 +09:00
parent be44ad3718
commit 857c731089
2 changed files with 5 additions and 5 deletions
--- a/week02/easy/server.py
+++ b/week02/easy/server.py
@ -73,7 +73,7 @@ def handle_packet(packet: Packet):
                send(initial_syn)
        
        else:
-            if (0x02 in packet[TCP].flags) or (not seq == expected_cookie) or (not ack == INITIAL_SEQ):
+            if ("S" in packet[TCP].flags) or (not seq == expected_cookie) or (not ack == INITIAL_SEQ):
                print(f'Invalid cookie {seq}, expected {expected_cookie}')
                rst = get_rst(src_ip, src_port, seq)
                send(rst)