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互聯(lián)網(wǎng)主機(jī)端口分配方式有哪些?

互聯(lián)網(wǎng)主機(jī)端口分配方式有哪些?

讓客戶滿意是我們工作的目標(biāo),不斷超越客戶的期望值來自于我們對(duì)這個(gè)行業(yè)的熱愛。我們立志把好的技術(shù)通過有效、簡單的方式提供給客戶,將通過不懈努力成為客戶在信息化領(lǐng)域值得信任、有價(jià)值的長期合作伙伴,公司提供的服務(wù)項(xiàng)目有:申請(qǐng)域名、虛擬主機(jī)、營銷軟件、網(wǎng)站建設(shè)、東光網(wǎng)站維護(hù)、網(wǎng)站推廣。

在互聯(lián)網(wǎng)中,主機(jī)端口分配是一個(gè)重要的環(huán)節(jié),它決定了數(shù)據(jù)包在網(wǎng)絡(luò)中的傳輸路徑,端口分配方式主要有以下幾種:靜態(tài)端口分配、動(dòng)態(tài)端口分配、私有端口分配和公共端口分配。

1、靜態(tài)端口分配

靜態(tài)端口分配是指網(wǎng)絡(luò)管理員為每個(gè)服務(wù)手動(dòng)分配一個(gè)固定的端口號(hào),這種方式的優(yōu)點(diǎn)是簡單易行,可以保證服務(wù)的穩(wěn)定運(yùn)行,因?yàn)槎丝谔?hào)不會(huì)因?yàn)槠渌?wù)的使用而改變,這種方式的缺點(diǎn)也很明顯,那就是端口資源有限,如果服務(wù)數(shù)量較多,可能會(huì)導(dǎo)致端口號(hào)不夠用。

2、動(dòng)態(tài)端口分配

動(dòng)態(tài)端口分配是指網(wǎng)絡(luò)服務(wù)在啟動(dòng)時(shí)自動(dòng)選擇一個(gè)空閑的端口號(hào)進(jìn)行通信,這種方式的優(yōu)點(diǎn)是可以大大節(jié)省端口資源,因?yàn)榉?wù)之間可以共享同一個(gè)端口號(hào),這種方式的缺點(diǎn)是服務(wù)的穩(wěn)定性較差,因?yàn)槎丝谔?hào)可能會(huì)因?yàn)槠渌?wù)的使用而改變。

3、私有端口分配

私有端口分配是指網(wǎng)絡(luò)服務(wù)使用102465535之間的端口號(hào)進(jìn)行通信,這些端口號(hào)通常被預(yù)留給特定的服務(wù),如FTP(文件傳輸協(xié)議)使用21端口,SMTP(簡單郵件傳輸協(xié)議)使用25端口等,這種方式的優(yōu)點(diǎn)是可以保證服務(wù)的穩(wěn)定運(yùn)行,因?yàn)槎丝谔?hào)不會(huì)因?yàn)槠渌?wù)的使用而改變,這種方式的缺點(diǎn)是端口資源有限,如果服務(wù)數(shù)量較多,可能會(huì)導(dǎo)致端口號(hào)不夠用。

4、公共端口分配

公共端口分配是指網(wǎng)絡(luò)服務(wù)使用01023之間的端口號(hào)進(jìn)行通信,這些端口號(hào)通常被預(yù)留給知名的服務(wù),如HTTP(超文本傳輸協(xié)議)使用80端口,HTTPS(安全超文本傳輸協(xié)議)使用443端口等,這種方式的優(yōu)點(diǎn)是可以方便用戶記憶和使用,因?yàn)榇蠖鄶?shù)用戶都知道這些知名服務(wù)的默認(rèn)端口號(hào),這種方式的缺點(diǎn)是端口資源有限,如果服務(wù)數(shù)量較多,可能會(huì)導(dǎo)致端口號(hào)不夠用。

以下是一些常見的網(wǎng)絡(luò)服務(wù)及其默認(rèn)的端口號(hào):

服務(wù) 默認(rèn)端口號(hào)
HTTP 80
HTTPS 443
FTP 21
SMTP 25
DNS 53
POP3 110
IMAP 143
Telnet 23
SSH 22
RDP 3389
SQL Server 1433
MySQL 3306
PostgreSQL 5432
NTP 123
IRC 66676669
RIP 520
OSPF 89
BGP 179
EIGRP 88
VLAN Tagging 448452, 81008473
QoS 88, 1638432767
VoIP 5060, 5061, 5090, 5190, 1638432767
SIP 5060, 5061, 5090, 5190, 1638432767
H.323 1720, 2737, 1638432767
RTP 5004, 5005, 5006, 5007, 5008, 5009, 5010, 5011, 5012, 5013, 5014, 5015, 5016, 5017, 5018, 5019, 5020, 5021, 5022, 5023, 5024, 5025, 5026, 5027, 5028, 5029, 5030, 5031, 5032, 5033, 5034, 5035, 5036, 5037, 5038, 5039, 5040, 5041, 5042, 5043, 5044, 5045, 5046, 5047, 5048, 5049, 5050, 5193, 6472964733, UDP/TLS/SCTP ports from above +1 (e.g. UDP/TLS/SCTP ports from above +1)
RTSP 554, 1638432767
RTCP in any range from above +1 to below 2 (e.g. in any range from above +1 to below 2)
SIP over UDP/TLS/SCTP in any range from above +1 to below 2 (e.g. in any range from above +1 to below 2)

| SIP over RTSP/RTP/RTCP/AVP/INAP/H.248/SIPT/GBC/ISUP/PRI/SS7/Q.931/Q.931bis/Q.931ter/RADIUS/Diameter/GNBD/GTPC/SCTPDTLS/SCTPUDP/DTLSSRTCP/DTLSUA/ICE/WebRTC/DataChannel/MQTT/CoAP/DTLSSRT/DTLSGWCC/ZRTP/CUBE/Interactive Connectivity Emulation (ICE)/Secure Realtime Media Streaming (SRMS)/Session Traversal for NAT (STUN)/Simple Service Discovery (SSDP)/Universal Plug and Play (UPnP)/Network Time Protocol (NTP)/Trivial File Transfer (TFTP)/Internet Control Messages (ICMP)/Stream Control Transmission protocol (SCTP)/User Datagram protocol (UDP)/RealTime Streaming Messaging (RTSM)/Resource Reservation protocol (RSVP)/Session initiation protocol (SIP) over UDP/TLS/SCTP or any other transport protocol supported by the network device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server or client device or application server


文章名稱:互聯(lián)網(wǎng)主機(jī)端口分配方式有哪些?
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