Z39.50 Protocol

This page provides information on the Z39.50 Protocol detected by the Netify DPI engine.

Protocol Description

Z39.50 is an international standard client–server, application layer communications protocol for searching and retrieving information from a database over a TCP/IP computer network, developed and maintained by the Library of Congresss.

Please see the protocol catalog page for information on other protocols detected by Netify DPI.

Protocol Details

ID: 287
Category Tag: infrastructure
Category: Infrastructure
Home Page: Z39.50
Introduced: Version 4.1.1

Related Protocols

Review the Infrastructure category suite below, or explore the complete protocol catalog.

Name	ID
TLS/SSL	91
KNXnet/IP	384
IIEC C37.118	351
HART-IP	347
SOAP	283
Gearman	346
SD-RTN	294
GTP-Prime	273
Check Point HA	267
SOME/IP	229
Check_MK	138
GTP-C	272
Tuya LAN	304
IEC 62056	350
MQTTS	258
TP-Link SHP	314
ZUG	386
Sonos	426
TRDP	424
Apache Kafka	334
GTP-U	274
AMQP	192
CAN	330
Corba	168
Kismet	309
SSH Secure Shell	92
Rx	223
ISO 9506-1 MMS	352
Ether-S-I/O	343
Ubiquiti AirControl 2	31
PFCP	379
Profinet	362
Bitcoin	323
HiSLIP	348
ANSI C12.22	337
DICOM	430
SNMP	14
Microsoft RPC	340
IEC 104	277
DNP3	268
RIPE Atlas	417
Targus GetData	284
CAPWAP	265
JRMI	416
Ether-S-Bus	342
DCE/RPC	127
S7commPlus	368
UMAS	372
STOMP	369
NetFlow	128
S7comm	282
CIP	339
RMCP	329
Munin	311
DNSCrypt	269
Modbus	44
FINS	344
Mining	42
WebDAV	374
Nano	420
Beckhoff ADS	335
Raft	365
Avast	306
Monero	355
HAProxy	328
Nest Protect	43
BACnet	318
FIX	230
AliCloud Server	301
HP VM Group Management	275
MQTT	222
FastCGI	308
ATG	423
OPC UA	359
KCP	354
Apache JServ	139
Git	226
Health Level 7	349
OpenWire	421
EGD	377
RSH	293
NATS	281
STUN	78
Ookla Speedtest	191
DTLS	244
Telnet	77
Syslog/TLS	302
Zabbix	288
Meraki Cloud	316
Thrift	324
System Logger	17
ZeroMQ	177
VMware	28
Ethereum	332
Protocol Buffers	331
CNP	422
Avast Real Site	264
ActiveSync	110
Collectd	171
sFlow	129
CoAP	27