Dhcpy6d cannot be used after opening the firewall

Maohan Xia

Member
Nov 3, 2017
7
1
8
34
hello,

After starting the firewall, Windows system can not use DHCPv6 to get IP, Linux is normal. The server I use is dhcpy6d

All rules are permissible, and there is no rule of rejection.
 
Open the log behind the firewall

2019-04-08 10:15:48,279 dhcpy6d INFO SOLICIT | TransactionID: a34999 | Answer: normal | ClientLLIP: fe80:0000:0000:0000:41ca:3c6a:1f47:d35a | Counter: 4 | DUID: 0001000124328d3c220f1ae9c908 | FQDN: WIN-NF0I0V95EFR | Hostname: win-nf0i0v95efr | IAID: 1200acc8 | IA_Options: [3] | ID: a34999 | Interface: eth2 | LastMessageReceivedType: 1 | MAC: 00:00:00:00:00:00 | OptionsRequest: [24, 23, 17, 39] | VendorClassData: MSFT 5.0 | VendorClassEN: 311
2019-04-08 10:15:48,281 dhcpy6d INFO REPLY | TransactionID: a34999 | Options: [13]
2019-04-08 10:15:50,284 dhcpy6d INFO SOLICIT | TransactionID: a34999 | Answer: normal | ClientLLIP: fe80:0000:0000:0000:41ca:3c6a:1f47:d35a | Counter: 5 | DUID: 0001000124328d3c220f1ae9c908 | FQDN: WIN-NF0I0V95EFR | Hostname: win-nf0i0v95efr | IAID: 1200acc8 | IA_Options: [3] | ID: a34999 | Interface: eth2 | LastMessageReceivedType: 1 | MAC: 00:00:00:00:00:00 | OptionsRequest: [24, 23, 17, 39] | VendorClassData: MSFT 5.0 | VendorClassEN: 311
2019-04-08 10:15:50,287 dhcpy6d INFO REPLY | TransactionID: a34999 | Options: [13]
2019-04-08 10:15:50,290 dhcpy6d INFO SOLICIT | TransactionID: a34999 | Answer: normal | ClientLLIP: fe80:0000:0000:0000:41ca:3c6a:1f47:d35a | Counter: 6 | DUID: 0001000124328d3c220f1ae9c908 | FQDN: WIN-NF0I0V95EFR | Hostname: win-nf0i0v95efr | IAID: 1200acc8 | IA_Options: [3] | ID: a34999 | Interface: eth2 | LastMessageReceivedType: 1 | MAC: 00:00:00:00:00:00 | OptionsRequest: [24, 23, 17, 39] | VendorClassData: MSFT 5.0 | VendorClassEN: 311
2019-04-08 10:15:50,292 dhcpy6d INFO REPLY | TransactionID: a34999 | Options: [13]

Close the logs behind the firewall

2019-04-08 10:16:47,834 dhcpy6d INFO SOLICIT | TransactionID: 2b5c81 | Answer: normal | ClientLLIP: fe80:0000:0000:0000:41ca:3c6a:1f47:d35a | Counter: 1 | DUID: 0001000124328d3c220f1ae9c908 | FQDN: WIN-NF0I0V95EFR | Hostname: win-nf0i0v95efr | IAID: 1200acc8 | IA_Options: [3] | ID: 2b5c81 | Interface: eth2 | LastMessageReceivedType: 1 | MAC: 00:00:00:00:00:00 | OptionsRequest: [24, 23, 17, 39] | VendorClassData: MSFT 5.0 | VendorClassEN: 311
2019-04-08 10:16:47,839 dhcpy6d INFO ADVERTISE | TransactionID: 2b5c81 | Options: [3, 7, 23, 24, 39] | Addresses: 2607:fcd0:fa80:3400:278e:c728:3349:25f3 2607:fcd0:fa80:3400:2981:b21f:457b:8b32 | Class: fixed | Hostname: 7BL76UAB
2019-04-08 10:16:47,877 dhcpy6d INFO SOLICIT | TransactionID: 2b5c81 | Answer: normal | ClientLLIP: fe80:0000:0000:0000:41ca:3c6a:1f47:d35a | Counter: 2 | DUID: 0001000124328d3c220f1ae9c908 | FQDN: WIN-NF0I0V95EFR | Hostname: win-nf0i0v95efr | IAID: 1200acc8 | IA_Options: [3] | ID: 2b5c81 | Interface: eth2 | LastMessageReceivedType: 1 | MAC: a2:a2:2a:29:00:cf | OptionsRequest: [24, 23, 17, 39] | VendorClassData: MSFT 5.0 | VendorClassEN: 311
2019-04-08 10:16:47,877 dhcpy6d INFO ADVERTISE | TransactionID: 2b5c81 | Options: [3, 7, 23, 24, 39] | Addresses: 2607:fcd0:fa80:3400:278e:c728:3349:25f3 2607:fcd0:fa80:3400:2981:b21f:457b:8b32 | Class: fixed | Hostname: 7BL76UAB
2019-04-08 10:16:48,885 dhcpy6d INFO REQUEST | TransactionID: 2b5c81 | Answer: normal | ClientLLIP: fe80:0000:0000:0000:41ca:3c6a:1f47:d35a | Counter: 3 | DUID: 0001000124328d3c220f1ae9c908 | FQDN: WIN-NF0I0V95EFR | Hostname: win-nf0i0v95efr | IAID: 1200acc8 | IA_Options: [3] | ID: 2b5c81 | Interface: eth2 | LastMessageReceivedType: 3 | MAC: a2:a2:2a:29:00:cf | OptionsRequest: [24, 23, 17, 39] | VendorClassData: MSFT 5.0 | VendorClassEN: 311

I found that I could not get the MAC after opening the firewall

But Linux is normal
 

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