ENUM NFT_SYNPROXY_ATTRIBUTES(9)

💅 enum nft_synproxy_attributes — the kernel API manual, bestie edition ✨

okay so this is a page from the Kernel API Manual — specifically it's all about enum nft_synproxy_attributes, which is the nf_tables synproxy expression netlink attributes situation. yes that's a mouthful, no i will not be shortening it 💖

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🌸 NAME 🌸

enum nft_synproxy_attributes — the nf_tables synproxy expression's netlink attributes, like, the whole vibe of what you can pass around for it 🦋

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🎀 SYNOPSIS 🎀

here's the literal shape of it, no notes:

enum nft_synproxy_attributes {
    NFTA_SYNPROXY_UNSPEC ,
    NFTA_SYNPROXY_MSS ,
    NFTA_SYNPROXY_WSCALE ,
    NFTA_SYNPROXY_FLAGS ,
    __NFTA_SYNPROXY_MAX

};

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✨ Constants ✨

okay so these are the members, one by one, and yes i'm doing all of them 💅

• NFTA_SYNPROXY_UNSPEC — honestly? the original just says "-- undescribed --" 😭 so that's all we get, it's giving mysterious, it's giving unspecified, we move 🫶
• NFTA_SYNPROXY_MSS — the mss value that gets sent to the backend (it's an NLA_U16, iykyk) 🔥
• NFTA_SYNPROXY_WSCALE — the wscale value that gets sent to the backend (and this one's an NLA_U8, don't mix them up bestie) 🌸
• NFTA_SYNPROXY_FLAGS — the flags, simple as that (type NLA_U32) ⭐
• __NFTA_SYNPROXY_MAX — again with the "-- undescribed --" 🙈 that's it, that's the entry, it's literally the max sentinel and the docs said nothing more, periodt 💀

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👑 SEE ALSO 👑

the kernel file this lives in is ./include/uapi/linux/netfilter/nf_tables.h — and then, bestie, there is a list. like a LIST list. every single one of these enum pages is out here living its truth, so let's give them their flowers 💐 (enum each one, fr fr):

• nft_registers(9)
• nft_verdicts(9)
• nf_tables_msg_types(9)
• nft_list_attributes(9)
• nft_hook_attributes(9)
• nft_table_flags(9)
• nft_table_attributes(9)
• nft_chain_attributes(9)
• nft_rule_attributes(9)
• nft_rule_compat_flags(9)
• nft_rule_compat_attributes(9)
• nft_set_flags(9)
• nft_set_policies(9)
• nft_set_desc_attributes(9)
• nft_set_field_attributes(9)
• nft_set_attributes(9)
• nft_set_elem_flags(9)
• nft_set_elem_attributes(9)
• nft_set_elem_list_attributes(9)
• nft_data_types(9)
• nft_data_attributes(9)
• nft_verdict_attributes(9)
• nft_expr_attributes(9)
• nft_immediate_attributes(9)
• nft_bitwise_ops(9)
• nft_bitwise_attributes(9)
• nft_byteorder_ops(9)
• nft_byteorder_attributes(9)
• nft_cmp_ops(9)
• nft_cmp_attributes(9)
• nft_range_ops(9)
• nft_range_attributes(9)
• nft_lookup_attributes(9)
• nft_dynset_attributes(9)
• nft_payload_bases(9)
• nft_payload_csum_types(9)
• nft_payload_attributes(9)
• nft_exthdr_op(9)
• nft_exthdr_attributes(9)
• nft_meta_keys(9)
• nft_rt_keys(9)
• nft_hash_types(9)
• nft_hash_attributes(9)
• nft_meta_attributes(9)
• nft_rt_attributes(9)
• nft_socket_attributes(9)
• nft_ct_keys(9)
• nft_ct_attributes(9)
• nft_offload_attributes(9)
• nft_limit_attributes(9)
• nft_connlimit_attributes(9)
• nft_counter_attributes(9)
• nft_last_attributes(9)
• nft_log_attributes(9)
• nft_log_level(9)
• nft_queue_attributes(9)
• nft_quota_attributes(9)
• nft_secmark_attributes(9)
• nft_reject_types(9)
• nft_reject_inet_code(9)
• nft_reject_attributes(9)
• nft_nat_types(9)
• nft_nat_attributes(9)
• nft_tproxy_attributes(9)
• nft_masq_attributes(9)
• nft_redir_attributes(9)
• nft_dup_attributes(9)
• nft_fwd_attributes(9)
• nft_objref_attributes(9)
• nft_gen_attributes(9)
• nft_object_attributes(9)
• nft_flowtable_flags(9)
• nft_flowtable_attributes(9)
• nft_flowtable_hook_attributes(9)
• nft_osf_attributes(9)
• nft_devices_attributes(9)
• nft_trace_attributes(9)
• nft_ng_attributes(9)

ok that was a lot but we got through it together, and honestly every single one of them ate 👑

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and that's the whole page!! this one came out of ./include/uapi/linux/netfilter, dated October 2026, and it's filed under enum nft_syn...y_attributes(9) — mwah, go read the source, ily, bye 🧚💜🌸