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 <p id="1S8O8NN2">1、服务器端口是什么意思？</p><p id="1S8O8NN3">服务器端口是服务器通信服务中的一个服务端窗口号码，取值范围是1-65535。一个服务器(如美国服务器)里面包含的服务有很多，常见的有FTP、HTTPS、HTTP等，不同服务使用的端口会有所不同，这样通过不同端口，计算机就可以与外界进行互不干扰的通信。</p><p class="f_center"><img src="https://nimg.ws.126.net/?url=http%3A%2F%2Fdingyue.ws.126.net%2F2023%2F0615%2F4d6193bcj00rwa6vt00d2d000q300dwp.jpg&thumbnail=660x&quality=80&type=jpg"/><br/><br/></p><p id="1S8O8NN5"><br/>常用的端口有20，21，23，80等。<br/>21：FTP服务所开放的端口，用于上传、下载文件。<br/>22：SSH端口，用于通过命令行模式远程连接Linux服务器或vps。<br/>23：Telnet端口，用于Telnet远程登录服务器。<br/>25：SMTP服务所开放的端口，用于发送邮件。<br/>80：HTTP用于HTTP服务提供访问功能，例如，IIS、Apache、Nginx 等服务。您可以参阅、检查、TCP 80端口是否正常工作，排查80端口故障。<br/>110：POP3用于POP3 协议，POP3 是电子邮件收发的协议。<br/>143：IMAP用于IMAP（Internet Message Access Protocol）协议，IMAP 是用于电子邮件的接收的协议。<br/>443：HTTPS 用于HTTPS服务提供访问功能。HTTPS 是一种能提供加密和通过安全端口传输的一种协议。<br/>1433：SQL Server SQL Server的TCP 端口，用于供SQL Server对外提供服务。<br/>1434：SQL Server SQL Server的UDP端口，用于返回SQL Server使用了哪个 TCP/IP 端口。<br/>1521：Oracle通信端口，服务器上部署了Oracle SQL需要放行的端口。<br/>3306：MySQL数据库对外提供服务的端口。<br/>3389：Windows Server Remote Desktop Services Windows Server Remote Desktop Services（远程桌面服务）端口，可以通过这个端口远程连接服务器<br/>8080：代理端口,同80端口一样，8080 端口常用于WWW代理服务，实现网页浏览。如果用了8080端口，访问网站或使用代理服务器时，需要在 IP 地址后面加上 :8080。安装Apache Tomcat服务后，默认服务端口为8080。<br/>137、138、139 NetBIOS协议137、138 为UDP端口，通过网上邻居传输文件时使用的端口。139通过这个端口进入的连接试图获得 NetBIOS/SMB 服务。NetBIOS协议常被用于Windows文件、打印机共享和Samba。</p><p id="1S8O8NN6">杭州高防护段（TCP_SYN,ACK,RST）展示：</p><p id="1S8O8NN7">103.219.33.1</p><p id="1S8O8NN8">103.219.33.2</p><p id="1S8O8NN9">103.219.33.3</p><p id="1S8O8NNA">103.219.33.4</p><p id="1S8O8NNB">103.219.33.5</p><p id="1S8O8NNC">103.219.33.6</p><p id="1S8O8NND">103.219.33.7</p><p id="1S8O8NNE">103.219.33.8</p><p id="1S8O8NNF">103.219.33.9</p><p id="1S8O8NNG">103.219.33.10</p><p id="1S8O8NNH">103.219.33.11</p><p id="1S8O8NNI">103.219.33.12</p><p id="1S8O8NNJ">103.219.33.13</p><p id="1S8O8NNK">103.219.33.14</p><p id="1S8O8NNL">103.219.33.15</p><p id="1S8O8NNM">103.219.33.16</p><p id="1S8O8NNN">103.219.33.17</p><p id="1S8O8NNO">103.219.33.18</p><p id="1S8O8NNP">103.219.33.19</p><p id="1S8O8NNQ">103.219.33.20</p><p id="1S8O8NNR">103.219.33.21</p><p id="1S8O8NNS">103.219.33.22</p><p id="1S8O8NNT">103.219.33.23</p><p id="1S8O8NNU">103.219.33.24</p><p id="1S8O8NNV">103.219.33.25</p><p id="1S8O8NO0">103.219.33.26</p><p id="1S8O8NO1">103.219.33.27</p><p id="1S8O8NO2">103.219.33.28</p><p id="1S8O8NO3">103.219.33.29</p><p id="1S8O8NO4">103.219.33.30</p><p id="1S8O8NO5">103.219.33.31</p><p id="1S8O8NO6">103.219.33.32</p><p id="1S8O8NO7">103.219.33.33</p><p id="1S8O8NO8">103.219.33.34</p><p id="1S8O8NO9">103.219.33.35</p><p id="1S8O8NOA">103.219.33.36</p><p id="1S8O8NOB">103.219.33.37</p><p id="1S8O8NOC">103.219.33.38</p><p id="1S8O8NOD">103.219.33.39</p><p id="1S8O8NOE">103.219.33.40</p><p id="1S8O8NOF">103.219.33.41</p><p id="1S8O8NOG">103.219.33.42</p><p id="1S8O8NOH">103.219.33.43</p><p id="1S8O8NOI">103.219.33.44</p><p id="1S8O8NOJ">103.219.33.45</p><p id="1S8O8NOK">103.219.33.46</p><p id="1S8O8NOL">103.219.33.47</p><p id="1S8O8NOM">103.219.33.48</p><p id="1S8O8NON">103.219.33.49</p><p id="1S8O8NOO">103.219.33.50</p><p id="1S8O8NOP">103.219.33.51</p><p id="1S8O8NOQ">103.219.33.52</p><p id="1S8O8NOR">103.219.33.53</p><p id="1S8O8NOS">103.219.33.54</p><p id="1S8O8NOT">103.219.33.55</p><p id="1S8O8NOU">103.219.33.56</p><p id="1S8O8NOV">103.219.33.57</p><p id="1S8O8NP0">103.219.33.58</p><p id="1S8O8NP1">103.219.33.59</p><p id="1S8O8NP2">103.219.33.60</p><p id="1S8O8NP3">103.219.33.61</p><p id="1S8O8NP4">103.219.33.62</p><p id="1S8O8NP5">103.219.33.63</p><p id="1S8O8NP6">103.219.33.64</p><p id="1S8O8NP7">103.219.33.65</p><p id="1S8O8NP8">103.219.33.66</p><p id="1S8O8NP9">103.219.33.67</p><p id="1S8O8NPA">103.219.33.68</p><p id="1S8O8NPB">103.219.33.69</p><p id="1S8O8NPC">103.219.33.70</p><p id="1S8O8NPD">103.219.33.71</p><p id="1S8O8NPE">103.219.33.72</p><p id="1S8O8NPF">103.219.33.73</p><p id="1S8O8NPG">103.219.33.74</p><p id="1S8O8NPH">103.219.33.75</p><p id="1S8O8NPI">103.219.33.76</p><p id="1S8O8NPJ">103.219.33.77</p><p id="1S8O8NPK">103.219.33.78</p><p id="1S8O8NPL">103.219.33.79</p><p id="1S8O8NPM">103.219.33.80</p><p id="1S8O8NPN">103.219.33.81</p><p id="1S8O8NPO">103.219.33.82</p><p id="1S8O8NPP">103.219.33.83</p><p id="1S8O8NPQ">103.219.33.84</p><p id="1S8O8NPR">103.219.33.85</p><p id="1S8O8NPS">103.219.33.86</p><p id="1S8O8NPT">103.219.33.87</p><p id="1S8O8NPU">103.219.33.88</p><p id="1S8O8NPV">103.219.33.89</p><p id="1S8O8NQ0">103.219.33.90</p><p id="1S8O8NQ1">103.219.33.91</p><p id="1S8O8NQ2">103.219.33.92</p><p id="1S8O8NQ3">103.219.33.93</p><p id="1S8O8NQ4">103.219.33.94</p><p id="1S8O8NQ5">103.219.33.95</p><p id="1S8O8NQ6">103.219.33.96</p><p id="1S8O8NQ7">103.219.33.97</p><p id="1S8O8NQ8">103.219.33.98</p><p id="1S8O8NQ9">103.219.33.99</p><p id="1S8O8NQA">103.219.33.100</p><p id="1S8O8NQB">103.219.33.101</p><p id="1S8O8NQC">103.219.33.102</p><p id="1S8O8NQD">103.219.33.103</p><p id="1S8O8NQE">103.219.33.104</p><p id="1S8O8NQF">103.219.33.105</p><p id="1S8O8NQG">103.219.33.106</p><p id="1S8O8NQH">103.219.33.107</p><p id="1S8O8NQI">103.219.33.108</p><p id="1S8O8NQJ">103.219.33.109</p><p id="1S8O8NQK">103.219.33.110</p><p id="1S8O8NQL">103.219.33.111</p><p id="1S8O8NQM">103.219.33.112</p><p id="1S8O8NQN">103.219.33.113</p><p id="1S8O8NQO">103.219.33.114</p><p id="1S8O8NQP">103.219.33.115</p><p id="1S8O8N">103.219.33.116</p><p id="1S8O8NQR">103.219.33.117</p><p id="1S8O8NQS">103.219.33.118</p><p id="1S8O8NQT">103.219.33.119</p><p id="1S8O8NQU">103.219.33.120</p><p id="1S8O8NQV">103.219.33.121</p><p id="1S8O8NR0">103.219.33.122</p><p id="1S8O8NR1">103.219.33.123</p><p id="1S8O8NR2">103.219.33.124</p><p id="1S8O8NR3">103.219.33.125</p><p id="1S8O8NR4">103.219.33.126</p><p id="1S8O8NR5">103.219.33.127</p><p id="1S8O8NR6">103.219.33.128</p><p id="1S8O8NR7">103.219.33.129</p><p id="1S8O8NR8">103.219.33.130</p><p id="1S8O8NR9">103.219.33.131</p><p id="1S8O8NRA">103.219.33.132</p><p id="1S8O8NRB">103.219.33.133</p><p id="1S8O8NRC">103.219.33.134</p><p id="1S8O8NRD">103.219.33.135</p><p id="1S8O8NRE">103.219.33.136</p><p id="1S8O8NRF">103.219.33.137</p><p id="1S8O8NRG">103.219.33.138</p><p id="1S8O8NRH">103.219.33.139</p><p id="1S8O8NRI">103.219.33.140</p><p id="1S8O8NRJ">103.219.33.141</p><p id="1S8O8NRK">103.219.33.142</p><p id="1S8O8NRL">103.219.33.143</p><p id="1S8O8NRM">103.219.33.144</p><p id="1S8O8NRN">103.219.33.145</p><p id="1S8O8NRO">103.219.33.146</p><p id="1S8O8NRP">103.219.33.147</p><p id="1S8O8NRQ">103.219.33.148</p><p id="1S8O8NRR">103.219.33.149</p><p id="1S8O8NRS">103.219.33.150</p><p id="1S8O8NRT">103.219.33.151</p><p id="1S8O8NRU">103.219.33.152</p><p id="1S8O8NRV">103.219.33.153</p><p id="1S8O8NS0">103.219.33.154</p><p id="1S8O8NS1">103.219.33.155</p><p id="1S8O8NS2">103.219.33.156</p><p id="1S8O8NS3">103.219.33.157</p><p id="1S8O8NS4">103.219.33.158</p><p id="1S8O8NS5">103.219.33.159</p><p id="1S8O8NS6">103.219.33.160</p><p id="1S8O8NS7">103.219.33.161</p><p id="1S8O8NS8">103.219.33.162</p><p id="1S8O8NS9">103.219.33.163</p><p id="1S8O8NSA">103.219.33.164</p><p id="1S8O8NSB">103.219.33.165</p><p id="1S8O8NSC">103.219.33.166</p><p id="1S8O8NSD">103.219.33.167</p><p id="1S8O8NSE">103.219.33.168</p><p id="1S8O8NSF">103.219.33.169</p><p id="1S8O8NSG">103.219.33.170</p><p id="1S8O8NSH">103.219.33.171</p><p id="1S8O8NSI">103.219.33.172</p><p id="1S8O8NSJ">103.219.33.173</p><p id="1S8O8NSK">103.219.33.174</p><p id="1S8O8NSL">103.219.33.175</p><p id="1S8O8NSM">103.219.33.176</p><p id="1S8O8NSN">103.219.33.177</p><p id="1S8O8NSO">103.219.33.178</p><p id="1S8O8NSP">103.219.33.179</p><p id="1S8O8NSQ">103.219.33.180</p><p id="1S8O8NSR">103.219.33.181</p><p id="1S8O8NSS">103.219.33.182</p><p id="1S8O8NST">103.219.33.183</p><p id="1S8O8NSU">103.219.33.184</p><p id="1S8O8NSV">103.219.33.185</p><p id="1S8O8NT0">103.219.33.186</p><p id="1S8O8NT1">103.219.33.187</p><p id="1S8O8NT2">103.219.33.188</p><p id="1S8O8NT3">103.219.33.189</p><p id="1S8O8NT4">103.219.33.190</p><p id="1S8O8NT5">103.219.33.191</p><p id="1S8O8NT6">103.219.33.192</p><p id="1S8O8NT7">103.219.33.193</p><p id="1S8O8NT8">103.219.33.194</p><p id="1S8O8NT9">103.219.33.195</p><p id="1S8O8NTA">103.219.33.196</p><p id="1S8O8NTB">103.219.33.197</p><p id="1S8O8NTC">103.219.33.198</p><p id="1S8O8NTD">103.219.33.199</p><p id="1S8O8NTE">103.219.33.200</p><p id="1S8O8NTF">103.219.33.201</p><p id="1S8O8NTG">103.219.33.202</p><p id="1S8O8NTH">103.219.33.203</p><p id="1S8O8NTI">103.219.33.204</p><p id="1S8O8NTJ">103.219.33.205</p><p id="1S8O8NTK">103.219.33.206</p><p id="1S8O8NTL">103.219.33.207</p><p id="1S8O8NTM">103.219.33.208</p><p id="1S8O8NTN">103.219.33.209</p><p id="1S8O8NTO">103.219.33.210</p><p id="1S8O8NTP">103.219.33.211</p><p id="1S8O8NTQ">103.219.33.212</p><p id="1S8O8NTR">103.219.33.213</p><p id="1S8O8NTS">103.219.33.214</p><p id="1S8O8NTT">103.219.33.215</p><p id="1S8O8NTU">103.219.33.216</p><p id="1S8O8NTV">103.219.33.217</p><p id="1S8O8NU0">103.219.33.218</p><p id="1S8O8NU1">103.219.33.219</p><p id="1S8O8NU2">103.219.33.220</p><p id="1S8O8NU3">103.219.33.221</p><p id="1S8O8NU4">103.219.33.222</p><p id="1S8O8NU5">103.219.33.223</p><p id="1S8O8NU6">103.219.33.224</p><p id="1S8O8NU7">103.219.33.225</p><p id="1S8O8NU8">103.219.33.226</p><p id="1S8O8NU9">103.219.33.227</p><p id="1S8O8NUA">103.219.33.228</p><p id="1S8O8NUB">103.219.33.229</p><p id="1S8O8NUC">103.219.33.230</p><p id="1S8O8NUD">103.219.33.231</p><p id="1S8O8NUE">103.219.33.232</p><p id="1S8O8NUF">103.219.33.233</p><p id="1S8O8NUG">103.219.33.234</p><p id="1S8O8NUH">103.219.33.235</p><p id="1S8O8NUI">103.219.33.236</p><p id="1S8O8NUJ">103.219.33.237</p><p id="1S8O8NUK">103.219.33.238</p><p id="1S8O8NUL">103.219.33.239</p><p id="1S8O8NUM">103.219.33.240</p><p id="1S8O8NUN">103.219.33.241</p><p id="1S8O8NUO">103.219.33.242</p><p id="1S8O8NUP">103.219.33.243</p><p id="1S8O8NUQ">103.219.33.244</p><p id="1S8O8NUR">103.219.33.245</p><p id="1S8O8NUS">103.219.33.246</p><p id="1S8O8NUT">103.219.33.247</p><p id="1S8O8NUU">103.219.33.248</p><p id="1S8O8NUV">103.219.33.249</p><p id="1S8O8NV0">103.219.33.250</p><p id="1S8O8NV1">103.219.33.251</p><p id="1S8O8NV2">103.219.33.252</p><p id="1S8O8NV3">103.219.33.253</p><p id="1S8O8NV4">103.219.33.254</p><p id="1S8O8NV5">103.219.33.255</p>