Thanks for your time reviewing! Changes: Divide changes into two patches - Limit the number of ports checked by ftp helper to 128. - Fix port selection of FTP for NF_NAT_RANGE_PROTO_SPECIFIED. Cole Dishington (2): net: netfilter: Limit the number of ftp helper port attempts net: netfilter: Fix port selection of FTP for NF_NAT_RANGE_PROTO_SPECIFIED include/net/netfilter/nf_nat.h | 6 ++++ net/netfilter/nf_nat_core.c | 9 ++++++ net/netfilter/nf_nat_ftp.c | 51 ++++++++++++++++++++++++++-------- net/netfilter/nf_nat_helper.c | 10 +++++++ 4 files changed, 65 insertions(+), 11 deletions(-) -- 2.33.0