发明名称 |
Communication apparatus, a firewall control method, and a firewall control program |
摘要 |
A communication apparatus used in a plurality of networks is disclosed. The communication apparatus includes a firewall which allows communication with outside of the communication apparatus when disabled, and prohibits communication with outside of the communication apparatus when enabled. Then, the communication apparatus includes a firewall control unit which acquires a first MAC address of a first default gateway provided for a predetermined specific network and a second MAC address of a second default gateway provided for a network in which the communication apparatus is being connected, and controls the firewall according to a result of comparison of the first MAC address and the second MAC address. |
申请公布号 |
US8239931(B2) |
申请公布日期 |
2012.08.07 |
申请号 |
US20090362327 |
申请日期 |
2009.01.29 |
申请人 |
HAYASAKA MAMIKO;UNNO YOSHINORI;KAWASHIMA MASANOBU;NEC CORPORATION;NEC ACCESS TECHNICA, LTD. |
发明人 |
HAYASAKA MAMIKO;UNNO YOSHINORI;KAWASHIMA MASANOBU |
分类号 |
H04L29/06 |
主分类号 |
H04L29/06 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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