In Listing 8, : 25 refers to port 25.

在清单8中，：25表示端口25。

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Listing 8 shows a search for TCP port 25.

清单8显示了对TCP端口25的搜索。

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Often administrators would like to block all outbound port 25 except from the mail server.

管理员通常想阻止除了从邮件效劳器的一切出站端口25。

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"Not a lot of people realize it but on an average day during this time of the year this port processes between 25, 000 and 30, 000 people a day, " says port director William Brooks.

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Constantine's most fruitful spells were at Southend, scoring 25 goals in 53 games and Port Vale, where he netted 38 in 85 outings.

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Gareth Colfer-Williams, 25, was found at his flat in Port Tennant on Thursday.

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