단디연구소

TCP/UDP Port Numbers 7 Echo 19 Chargen 20-21 FTP 22 SSH/SCP 23 Telnet 25 SMTP 42 WINS Replication 43 WHOIS 49 TACACS 53 DNS 67-68 DHCP/BOOTP 69 TFTP 70 Gopher 79 Finger 80 HTTP 88 Kerberos 102 MS Exchange 110 POP3 113 Ident 119 NNTP (Usenet) 123 NTP 135 Microsoft RPC 137-139 NetBIOS 143 IMAP4 161-162 SNMP 177 XDMCP 179 BGP 201 AppleTalk 264 BGMP 318 TSP 381-383 HP Openview 389 LDAP 411-412 Direc..

Subnets CIDR Subnet Mask Addresses Wlidcard /32 255.255.255.255 1 0.0.0.0 /31 255.255.255.254 2 128.0.0.0 /30 255.255.255.252 4 192.0.0.0 /29 255.255.255.248 8 224.0.0.0 /28 255.255.255.240 16 240.0.0.0 /27 255.255.255.224 32 248.0.0.0 /26 255.255.255.192 64 252.0.0.0 /25 255.255.255.128 128 254.0.0.0 /24 255.255.255.0 256 255.0.0.0 /23 255.255.254.0 512 255.128.0.0 /22 255.255.252.0 1024 255.19..