diff --git a/meta-openembedded/meta-networking/recipes-connectivity/kea/kea_1.7.6.bb b/meta-openembedded/meta-networking/recipes-connectivity/kea/kea_1.7.7.bb
similarity index 94%
rename from meta-openembedded/meta-networking/recipes-connectivity/kea/kea_1.7.6.bb
rename to meta-openembedded/meta-networking/recipes-connectivity/kea/kea_1.7.7.bb
index 4e221c3..e25f8e6 100644
--- a/meta-openembedded/meta-networking/recipes-connectivity/kea/kea_1.7.6.bb
+++ b/meta-openembedded/meta-networking/recipes-connectivity/kea/kea_1.7.7.bb
@@ -14,8 +14,8 @@
     file://kea-dhcp6.service \
     file://kea-dhcp-ddns.service \
 "
-SRC_URI[md5sum] = "26f48997a37a670a406d5020ce64a7fb"
-SRC_URI[sha256sum] = "1da3d50e0c8e92e1aa6d66100b5afd7b93ba2c50b0a4ea114fd9dcb8be982ca9"
+SRC_URI[md5sum] = "4f8d1251fd41ef2e822a4eb3f0797d46"
+SRC_URI[sha256sum] = "0bba8b045672884a928ff4b2a8575ac5ba420eb6ba47a9338f1932bc38dcf866"
 
 inherit autotools systemd
 
diff --git a/meta-openembedded/meta-networking/recipes-connectivity/netplan/netplan_0.98.bb b/meta-openembedded/meta-networking/recipes-connectivity/netplan/netplan_0.98.bb
index db029a4..9f123c7 100644
--- a/meta-openembedded/meta-networking/recipes-connectivity/netplan/netplan_0.98.bb
+++ b/meta-openembedded/meta-networking/recipes-connectivity/netplan/netplan_0.98.bb
@@ -18,7 +18,8 @@
         git://github.com/CanonicalLtd/netplan.git \
 "
 
-DEPENDS = "glib-2.0 libyaml"
+DEPENDS = "glib-2.0 libyaml ${@bb.utils.filter('DISTRO_FEATURES', 'systemd', d)}"
+
 RDEPENDS_${PN} = "python3 python3-core python3-pyyaml python3-netifaces python3-nose python3-coverage python3-pycodestyle python3-pyflakes util-linux-libuuid"
 
 inherit pkgconfig systemd
diff --git a/meta-openembedded/meta-networking/recipes-connectivity/samba/samba_4.10.13.bb b/meta-openembedded/meta-networking/recipes-connectivity/samba/samba_4.10.15.bb
similarity index 98%
rename from meta-openembedded/meta-networking/recipes-connectivity/samba/samba_4.10.13.bb
rename to meta-openembedded/meta-networking/recipes-connectivity/samba/samba_4.10.15.bb
index 5f227c8..2c74c27 100644
--- a/meta-openembedded/meta-networking/recipes-connectivity/samba/samba_4.10.13.bb
+++ b/meta-openembedded/meta-networking/recipes-connectivity/samba/samba_4.10.15.bb
@@ -35,8 +35,8 @@
            file://0001-samba-fix-musl-lib-without-innetgr.patch \
           "
 
-SRC_URI[md5sum] = "e7906580bf06dae087e99ef8254f327d"
-SRC_URI[sha256sum] = "49eb6426e97cbf538e416e51ed8535930382512ad2d13d5ffd7f4336aa7faf63"
+SRC_URI[md5sum] = "67e9f6b8c5140475641bf5121c93b3d4"
+SRC_URI[sha256sum] = "0b8b62558b62fbb121015f28f40fae0f07522710b6bef77c508b51bb6914ced9"
 
 UPSTREAM_CHECK_REGEX = "samba\-(?P<pver>4\.10(\.\d+)+).tar.gz"
 
diff --git a/meta-openembedded/meta-networking/recipes-daemons/postfix/files/0001-Fixed-build-failure-with-glibc-2.30-due-to-dropped-R.patch b/meta-openembedded/meta-networking/recipes-daemons/postfix/files/0001-Fixed-build-failure-with-glibc-2.30-due-to-dropped-R.patch
deleted file mode 100644
index 22adaff..0000000
--- a/meta-openembedded/meta-networking/recipes-daemons/postfix/files/0001-Fixed-build-failure-with-glibc-2.30-due-to-dropped-R.patch
+++ /dev/null
@@ -1,37 +0,0 @@
-From 8b3792830f4930fee7fbb00c854d9766f2b74dca Mon Sep 17 00:00:00 2001
-From: Khem Raj <raj.khem@gmail.com>
-Date: Sat, 27 Jul 2019 11:35:38 -0700
-Subject: [PATCH] Fixed build failure with glibc 2.30 due to dropped
- RES_INSECURE1/2 macros
-
-see [1]
-
-[1] https://sourceware.org/git/?p=glibc.git;a=commit;h=333221862ecbebde60dd16e7ca17d26444e62f50
-
-Upstream-Status: Pending
-Signed-off-by: Khem Raj <raj.khem@gmail.com>
----
- src/dns/dns_str_resflags.c | 6 ++++++
- 1 file changed, 6 insertions(+)
-
-diff --git a/src/dns/dns_str_resflags.c b/src/dns/dns_str_resflags.c
-index 5f2cce5..df32345 100644
---- a/src/dns/dns_str_resflags.c
-+++ b/src/dns/dns_str_resflags.c
-@@ -60,10 +60,16 @@ static const LONG_NAME_MASK resflag_table[] = {
-     "RES_DEFNAMES", RES_DEFNAMES,
-     "RES_STAYOPEN", RES_STAYOPEN,
-     "RES_DNSRCH", RES_DNSRCH,
-+#ifdef RES_INSECURE1
-     "RES_INSECURE1", RES_INSECURE1,
-+#endif
-+#ifdef RES_INSECURE2
-     "RES_INSECURE2", RES_INSECURE2,
-+#endif
-     "RES_NOALIASES", RES_NOALIASES,
-+#ifdef RES_USE_INET6
-     "RES_USE_INET6", RES_USE_INET6,
-+#endif
- #ifdef RES_ROTATE
-     "RES_ROTATE", RES_ROTATE,
- #endif
diff --git a/meta-openembedded/meta-networking/recipes-daemons/postfix/postfix_3.4.8.bb b/meta-openembedded/meta-networking/recipes-daemons/postfix/postfix_3.4.12.bb
similarity index 75%
rename from meta-openembedded/meta-networking/recipes-daemons/postfix/postfix_3.4.8.bb
rename to meta-openembedded/meta-networking/recipes-daemons/postfix/postfix_3.4.12.bb
index 5d7f8bc..db5b41b 100644
--- a/meta-openembedded/meta-networking/recipes-daemons/postfix/postfix_3.4.8.bb
+++ b/meta-openembedded/meta-networking/recipes-daemons/postfix/postfix_3.4.12.bb
@@ -13,9 +13,6 @@
            file://postfix-install.patch \
            file://icu-config.patch \
            file://0001-makedefs-add-lnsl-and-lresolv-to-SYSLIBS-by-default.patch \
-           file://0001-Fixed-build-failure-with-glibc-2.30-due-to-dropped-R.patch \
            "
-SRC_URI[md5sum] = "6944b946887077a28e3dcb375ff53701"
-SRC_URI[sha256sum] = "8d5d429737e0c64514028a82fc006cbb273d2cb98dc40eb1dbbfe102f29a8943"
-
+SRC_URI[sha256sum] = "18555183ae8b52a9e76067799279c86f9f2770cdef3836deb8462ee0a0855dec"
 UPSTREAM_CHECK_REGEX = "postfix\-(?P<pver>3\.3(\.\d+)+).tar.gz"
diff --git a/meta-openembedded/meta-networking/recipes-support/dnsmasq/dnsmasq/0001-dnsmasq-fix-build-against-5.2-headers.patch b/meta-openembedded/meta-networking/recipes-support/dnsmasq/dnsmasq/0001-dnsmasq-fix-build-against-5.2-headers.patch
deleted file mode 100644
index 844a709..0000000
--- a/meta-openembedded/meta-networking/recipes-support/dnsmasq/dnsmasq/0001-dnsmasq-fix-build-against-5.2-headers.patch
+++ /dev/null
@@ -1,31 +0,0 @@
-From 52f4b58c14a2788ca08b7d8884d586724d86fc66 Mon Sep 17 00:00:00 2001
-From: Bruce Ashfield <bruce.ashfield@gmail.com>
-Date: Mon, 19 Aug 2019 14:46:02 +0000
-Subject: [PATCH] dnsmasq: fix build against 5.2 headers
-
-Upstream linux y2038 work has moved some definitions SIOCGSTAMP is
-defined in linux/sockios.h, not asm/sockios.h now. So we need to
-add that include to fix the build.
-
-Upstream-status: backport of http://thekelleys.org.uk/gitweb/?p=dnsmasq.git;a=commit;h=3052ce208acf602f0163166dcefb7330d537cedb
-
-Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
----
- a/src/dnsmasq.h                   | 1 +
- 1 file changed, 1 insertion(+)
-
-diff --git a/build/tmp/work/core2-64-poky-linux/dnsmasq/2.80-r0/dnsmasq-2.80/src/dnsmasq.h b/build/tmp/work/core2-64-poky-linux/dnsmasq/2.80-r0/dnsmasq-2.80/src/dnsmasq.h
-index f53e9a5be6..d9225ea473 100644
---- a/src/dnsmasq.h
-+++ b/src/dnsmasq.h
-@@ -138,6 +138,7 @@ typedef unsigned long long u64;
- #endif
- 
- #if defined(HAVE_LINUX_NETWORK)
-+#include <linux/sockios.h>
- #include <linux/capability.h>
- /* There doesn't seem to be a universally-available 
-    userspace header for these. */
--- 
-2.19.1
-
diff --git a/meta-openembedded/meta-networking/recipes-support/dnsmasq/dnsmasq/0001-dnsmasq-fix-memory-leak-in-helper-c.patch b/meta-openembedded/meta-networking/recipes-support/dnsmasq/dnsmasq/0001-dnsmasq-fix-memory-leak-in-helper-c.patch
deleted file mode 100644
index ccd6f82..0000000
--- a/meta-openembedded/meta-networking/recipes-support/dnsmasq/dnsmasq/0001-dnsmasq-fix-memory-leak-in-helper-c.patch
+++ /dev/null
@@ -1,49 +0,0 @@
-From 69bc94779c2f035a9fffdb5327a54c3aeca73ed5 Mon Sep 17 00:00:00 2001
-From: Simon Kelley <simon@thekelleys.org.uk>
-Date: Wed, 14 Aug 2019 20:44:50 +0100
-Subject: [PATCH] Fix memory leak in helper.c
-
-Thanks to Xu Mingjie <xumingjie1995@outlook.com> for spotting this.
-
-CVE: CVE-2019-14834
-Upstream-Status: Backport
-Signed-off-by: Zhixiong Chi <zhixiong.chi@windriver.com>
----
- src/helper.c |   12 +++++++++---
- 1 file changed, 9 insertions(+), 3 deletions(-)
-
-diff --git a/src/helper.c b/src/helper.c
-index 33ba120..c392eec 100644
---- a/src/helper.c
-+++ b/src/helper.c
-@@ -82,7 +82,8 @@ int create_helper(int event_fd, int err_fd, uid_t uid, gid_t gid, long max_fd)
-   pid_t pid;
-   int i, pipefd[2];
-   struct sigaction sigact;
--
-+  unsigned char *alloc_buff = NULL;
-+  
-   /* create the pipe through which the main program sends us commands,
-      then fork our process. */
-   if (pipe(pipefd) == -1 || !fix_fd(pipefd[1]) || (pid = fork()) == -1)
-@@ -188,11 +189,16 @@ int create_helper(int event_fd, int err_fd, uid_t uid, gid_t gid, long max_fd)
-       struct script_data data;
-       char *p, *action_str, *hostname = NULL, *domain = NULL;
-       unsigned char *buf = (unsigned char *)daemon->namebuff;
--      unsigned char *end, *extradata, *alloc_buff = NULL;
-+      unsigned char *end, *extradata;
-       int is6, err = 0;
-       int pipeout[2];
- 
--      free(alloc_buff);
-+      /* Free rarely-allocated memory from previous iteration. */
-+      if (alloc_buff)
-+	{
-+	  free(alloc_buff);
-+	  alloc_buff = NULL;
-+	}
-       
-       /* we read zero bytes when pipe closed: this is our signal to exit */ 
-       if (!read_write(pipefd[0], (unsigned char *)&data, sizeof(data), 1))
--- 
-1.7.10.4
diff --git a/meta-openembedded/meta-networking/recipes-support/dnsmasq/dnsmasq_2.80.bb b/meta-openembedded/meta-networking/recipes-support/dnsmasq/dnsmasq_2.80.bb
deleted file mode 100644
index 8275650..0000000
--- a/meta-openembedded/meta-networking/recipes-support/dnsmasq/dnsmasq_2.80.bb
+++ /dev/null
@@ -1,10 +0,0 @@
-require dnsmasq.inc
-
-SRC_URI[dnsmasq-2.80.md5sum] = "1f071fd11454e1cffea73bdadcf70b21"
-SRC_URI[dnsmasq-2.80.sha256sum] = "9e4a58f816ce0033ce383c549b7d4058ad9b823968d352d2b76614f83ea39adc"
-SRC_URI += "\
-    file://lua.patch \
-    file://0001-dnsmasq-fix-build-against-5.2-headers.patch \
-    file://0001-dnsmasq-fix-memory-leak-in-helper-c.patch \
-"
-
diff --git a/meta-openembedded/meta-networking/recipes-support/dnsmasq/dnsmasq_2.81.bb b/meta-openembedded/meta-networking/recipes-support/dnsmasq/dnsmasq_2.81.bb
new file mode 100644
index 0000000..9241538
--- /dev/null
+++ b/meta-openembedded/meta-networking/recipes-support/dnsmasq/dnsmasq_2.81.bb
@@ -0,0 +1,8 @@
+require dnsmasq.inc
+
+SRC_URI[dnsmasq-2.81.md5sum] = "e43808177a773014b5892ccba238f7a8"
+SRC_URI[dnsmasq-2.81.sha256sum] = "3c28c68c6c2967c3a96e9b432c0c046a5df17a426d3a43cffe9e693cf05804d0"
+SRC_URI += "\
+    file://lua.patch \
+"
+
diff --git a/meta-openembedded/meta-networking/recipes-support/fetchmail/fetchmail_6.4.3.bb b/meta-openembedded/meta-networking/recipes-support/fetchmail/fetchmail_6.4.4.bb
similarity index 86%
rename from meta-openembedded/meta-networking/recipes-support/fetchmail/fetchmail_6.4.3.bb
rename to meta-openembedded/meta-networking/recipes-support/fetchmail/fetchmail_6.4.4.bb
index 5e2d1be..efab0c8 100644
--- a/meta-openembedded/meta-networking/recipes-support/fetchmail/fetchmail_6.4.3.bb
+++ b/meta-openembedded/meta-networking/recipes-support/fetchmail/fetchmail_6.4.4.bb
@@ -9,8 +9,8 @@
 
 SRC_URI = "${SOURCEFORGE_MIRROR}/${BPN}/${BPN}-${PV}.tar.xz \
            "
-SRC_URI[md5sum] = "614d5a05ac9a042bfc9317e5499bafd4"
-SRC_URI[sha256sum] = "b0360e14b9aa5d065eef8ff99ad0347ef6cbbfc934c8114908295a402a09d3e4"
+SRC_URI[md5sum] = "53d52179c8bf8e2f57489538b49bfda9"
+SRC_URI[sha256sum] = "511b60daabf7543a01de06af07c8772290c6807cd53c42a8504960e978f3abea"
 
 inherit autotools gettext python3-dir python3native
 
diff --git a/meta-openembedded/meta-networking/recipes-support/libldb/libldb_1.5.6.bb b/meta-openembedded/meta-networking/recipes-support/libldb/libldb_1.5.7.bb
similarity index 94%
rename from meta-openembedded/meta-networking/recipes-support/libldb/libldb_1.5.6.bb
rename to meta-openembedded/meta-networking/recipes-support/libldb/libldb_1.5.7.bb
index cc24863..da77a23 100644
--- a/meta-openembedded/meta-networking/recipes-support/libldb/libldb_1.5.6.bb
+++ b/meta-openembedded/meta-networking/recipes-support/libldb/libldb_1.5.7.bb
@@ -33,8 +33,8 @@
                     file://man/ldb.3.xml;beginline=261;endline=262;md5=137f9fd61040c1505d1aa1019663fd08 \
                     file://tools/ldbdump.c;endline=19;md5=a7d4fc5d1f75676b49df491575a86a42"
 
-SRC_URI[md5sum] = "fc58ef432c1fcb03fc3bb6cccce08977"
-SRC_URI[sha256sum] = "ff82474d0bf109e415a2d50334bde5715f486a53ff4bb8c7f74459dd229e975b"
+SRC_URI[md5sum] = "4d72bbfe7c7fcdf592482a98c853d222"
+SRC_URI[sha256sum] = "b9eeb77ecb94f3b53caeff7cbc1850b6294fa937be4364c53a92a62c6548c001"
 
 inherit waf-samba