Adam ♿ on Nostr: Can anyone tell me what this #IPTables entry related to #DNS is? #Asus has ...
Can anyone tell me what this #IPTables entry related to #DNS is?
#Asus has "helpfully" added this to my parents' router.
Chain OUTPUT (policy ACCEPT)
target prot opt source destination
OUTPUT_DNS udp -- anywhere anywhere udp dpt:domain u32 "0x0>>0x16&0x3c@0x8>>0xf&0x1=0x0"
OUTPUT_DNS tcp -- anywhere anywhere tcp dpt:domain u32 "0x0>>0x16&0x3c@0xc>>0x1a&0x3c@0x8>>0xf&0x1=0x0"
#AskFedi
Published at
2024-12-28 07:20:50 UTCEvent JSON
{
"id": "158b5dca0707159f279970abd95b46077a4a3bc6a8fc2730aa010e8dbaa0b5f5",
"pubkey": "fa1b9d03a9d28600a6e3d85152a87f13f0a03171a27b3a49f3f1c89a82783924",
"created_at": 1735370450,
"kind": 1,
"tags": [
[
"t",
"dns"
],
[
"t",
"askfedi"
],
[
"t",
"iptables"
],
[
"proxy",
"https://aus.social/@voltagex/113729237828442494",
"web"
],
[
"t",
"asus"
],
[
"proxy",
"https://aus.social/users/voltagex/statuses/113729237828442494",
"activitypub"
],
[
"L",
"pink.momostr"
],
[
"l",
"pink.momostr.activitypub:https://aus.social/users/voltagex/statuses/113729237828442494",
"pink.momostr"
],
[
"-"
]
],
"content": "Can anyone tell me what this #IPTables entry related to #DNS is?\n\n#Asus has \"helpfully\" added this to my parents' router.\n\nChain OUTPUT (policy ACCEPT)\ntarget prot opt source destination\nOUTPUT_DNS udp -- anywhere anywhere udp dpt:domain u32 \"0x0\u003e\u003e0x16\u00260x3c@0x8\u003e\u003e0xf\u00260x1=0x0\"\nOUTPUT_DNS tcp -- anywhere anywhere tcp dpt:domain u32 \"0x0\u003e\u003e0x16\u00260x3c@0xc\u003e\u003e0x1a\u00260x3c@0x8\u003e\u003e0xf\u00260x1=0x0\"\n\n#AskFedi",
"sig": "6986a31202c4530257cefc6eff5f07b16264312546e838b6e1d83e2328769a40e2e2772bc0b2d29ddf38be7fe1b3bb949ba43cc0abfdcde2506a7d77cb6a6fc9"
}