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Code Activity

Disable reverse DNS lookups for Dropbear (#4076)

Browse Source 
This fixes slow SSH login isues caused by reverse DNS (PTR) lookups as
reported in #3768.
This commit is contained in:
Louis Sautier
2025-05-28 16:23:55 +02:00
committed by GitHub
parent febd54d8fd
commit cf970a5b63
19 changed files with 19 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

1
buildroot-external/configs/generic_aarch64_defconfig
View File

@@ -117,6 +117,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/generic_x86_64_defconfig
View File

@@ -119,6 +119,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/green_defconfig
View File

@@ -96,6 +96,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/khadas_vim3_defconfig
View File

@@ -91,6 +91,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/odroid_c2_defconfig
View File

@@ -91,6 +91,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/odroid_c4_defconfig
View File

@@ -89,6 +89,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/odroid_m1_defconfig
View File

@@ -91,6 +91,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/odroid_m1s_defconfig
View File

@@ -91,6 +91,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/odroid_n2_defconfig
View File

@@ -91,6 +91,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/odroid_xu4_defconfig
View File

@@ -91,6 +91,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/ova_defconfig
View File

@@ -120,6 +120,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/rpi2_defconfig
View File

@@ -94,6 +94,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/rpi3_64_defconfig
View File

@@ -95,6 +95,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/rpi3_defconfig
View File

@@ -96,6 +96,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/rpi4_64_defconfig
View File

@@ -96,6 +96,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/rpi4_defconfig
View File

@@ -95,6 +95,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/rpi5_64_defconfig
View File

@@ -95,6 +95,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/tinker_defconfig
View File

@@ -91,6 +91,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y

1
buildroot-external/configs/yellow_defconfig
View File

@@ -99,6 +99,7 @@ BR2_PACKAGE_BLUEZ5_UTILS_PLUGINS_HID=y
BR2_PACKAGE_DHCP=y BR2_PACKAGE_DHCP=y
BR2_PACKAGE_DHCP_CLIENT=y BR2_PACKAGE_DHCP_CLIENT=y
BR2_PACKAGE_DROPBEAR=y BR2_PACKAGE_DROPBEAR=y
BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS=y
# BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set # BR2_PACKAGE_IFUPDOWN_SCRIPTS is not set
BR2_PACKAGE_IPROUTE2=y BR2_PACKAGE_IPROUTE2=y
BR2_PACKAGE_IPTABLES_NFTABLES=y BR2_PACKAGE_IPTABLES_NFTABLES=y