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sushen339
2025-11-18 15:05:24 +08:00
parent c4344a27ac
commit 0a4ec757f5
2 changed files with 9 additions and 6 deletions
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blockip/src/nftables.c
+9 -6
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@@ -88,25 +88,28 @@ int init_nftables_rules(void) {
NFT_TABLE);
system(command);
/* 添加白名单规则 */
/* 添加规则：白名单必须在黑名单之前，使用add按顺序添加 */
/* 1. IPv4白名单 accept */
snprintf(command, sizeof(command),
"nft list chain %s input | grep -q '@%s' || nft insert rule %s input ip saddr @%s accept",
"nft list chain %s input | grep -q '@%s' || nft add rule %s input ip saddr @%s accept",
NFT_TABLE, NFT_WHITELIST, NFT_TABLE, NFT_WHITELIST);
system(command);
/* 2. IPv6白名单 accept */
snprintf(command, sizeof(command),
"nft list chain %s input | grep -q '@%s' || nft insert rule %s input ip6 saddr @%s accept",
"nft list chain %s input | grep -q '@%s' || nft add rule %s input ip6 saddr @%s accept",
NFT_TABLE, NFT_WHITELIST_V6, NFT_TABLE, NFT_WHITELIST_V6);
system(command);
/* 添加黑名单规则 */
/* 3. IPv4黑名单 drop */
snprintf(command, sizeof(command),
"nft list chain %s input | grep -q '@%s' || nft insert rule %s input ip saddr @%s drop",
"nft list chain %s input | grep -q '@%s' || nft add rule %s input ip saddr @%s drop",
NFT_TABLE, NFT_SET, NFT_TABLE, NFT_SET);
system(command);
/* 4. IPv6黑名单 drop */
snprintf(command, sizeof(command),
"nft list chain %s input | grep -q '@%s' || nft insert rule %s input ip6 saddr @%s drop",
"nft list chain %s input | grep -q '@%s' || nft add rule %s input ip6 saddr @%s drop",
NFT_TABLE, NFT_SET_V6, NFT_TABLE, NFT_SET_V6);
system(command);