packet
parking
PCI
PDU
Packet Internet Groper
packet switch
PacketAssist
PageRank
patch
peer-to-peer
peer-to-peer communications
peer-to-peer network
peering
Perl
PHP
PHP Hypertext Preprocessor
PhpMySQLAdmin
ping
pinging
pixel
PL
Plane Old Telephone Service
plug-in
PNG
point-to-point protocol
POP3
porno site
port
Portable Network Graphics
portal
post box
Post Office Protocol v.3
POST-запрос
PostgreSQL
POTS
PPP
PR
PRI
Primary Rate Interface
private label reselling
Practical Extraction and Report Language
PRO
promoting
promotion
protocol
Protocol Control Information
Protocol Data Unit
provider
Proxy
Proxy server
Proxy сервер
PSTN
PT
Public Switched Telephone Network
Python