diff --git a/INSTALL b/INSTALL
index 533248fd4..1c88ab5b2 100644
--- a/INSTALL
+++ b/INSTALL
@@ -559,9 +559,9 @@ It goes into more details with the main options.
 To build haproxy, you have to choose your target OS amongst the following ones
 and assign it to the TARGET variable :
 
-  - linux-glibc         for Linux kernel 2.6.28 and above
+  - linux-glibc         for Linux kernel 4.17 and above
   - linux-glibc-legacy  for Linux kernel 2.6.28 and above without new features
-  - linux-musl          for Linux kernel 2.6.28 and above with musl libc
+  - linux-musl          for Linux kernel 4.17 and above with musl libc
   - solaris             for Solaris 10 and above
   - freebsd             for FreeBSD 10 and above
   - dragonfly           for DragonFlyBSD 4.3 and above
diff --git a/Makefile b/Makefile
index 4eb16e0bc..63df314ef 100644
--- a/Makefile
+++ b/Makefile
@@ -379,13 +379,13 @@ ifeq ($(TARGET),haiku)
   set_target_defaults = $(call default_opts,USE_POLL USE_TPROXY USE_OBSOLETE_LINKER)
 endif
 
-# For linux >= 2.6.28 and glibc
+# For linux >= 4.17 and glibc
 ifeq ($(TARGET),linux-glibc)
   set_target_defaults = $(call default_opts, \
     USE_POLL USE_TPROXY USE_LIBCRYPT USE_DL USE_RT USE_CRYPT_H USE_NETFILTER  \
     USE_CPU_AFFINITY USE_THREAD USE_EPOLL USE_LINUX_TPROXY USE_LINUX_CAP      \
     USE_ACCEPT4 USE_LINUX_SPLICE USE_PRCTL USE_THREAD_DUMP USE_NS USE_TFO     \
-    USE_GETADDRINFO USE_BACKTRACE USE_SHM_OPEN)
+    USE_GETADDRINFO USE_BACKTRACE USE_SHM_OPEN USE_KTLS)
   INSTALL = install -v
 endif
 
@@ -398,13 +398,13 @@ ifeq ($(TARGET),linux-glibc-legacy)
   INSTALL = install -v
 endif
 
-# For linux >= 2.6.28 and musl
+# For linux >= 4.17 and musl
 ifeq ($(TARGET),linux-musl)
   set_target_defaults = $(call default_opts, \
     USE_POLL USE_TPROXY USE_LIBCRYPT USE_DL USE_RT USE_CRYPT_H USE_NETFILTER  \
     USE_CPU_AFFINITY USE_THREAD USE_EPOLL USE_LINUX_TPROXY USE_LINUX_CAP      \
     USE_ACCEPT4 USE_LINUX_SPLICE USE_PRCTL USE_THREAD_DUMP USE_NS USE_TFO     \
-    USE_GETADDRINFO USE_BACKTRACE USE_SHM_OPEN)
+    USE_GETADDRINFO USE_BACKTRACE USE_SHM_OPEN USE_KTLS)
   INSTALL = install -v
 endif
 
diff --git a/doc/configuration.txt b/doc/configuration.txt
index bc775b0cc..413d07cf4 100644
--- a/doc/configuration.txt
+++ b/doc/configuration.txt
@@ -16801,8 +16801,8 @@ interface <interface>
 
 ktls <on|off> [ EXPERIMENTAL ]
   Enables or disables ktls for those sockets. If enabled, kTLS will be used
-  if the kernel supports it and the cipher is compatible.
-  This is only available on linux.
+  if the kernel supports it and the cipher is compatible. This is only
+  available on Linux kernel 4.17 and above.
 
 label <label>
   Sets an optional label for these sockets. It could be used group sockets by