How To Install strongswan on CentOS 8
strongswan is An OpenSource IPsec-based VPN and TNC solution
Introduction
In this tutorial we learn how to install strongswan on CentOS 8.
What is strongswan
The strongSwan IPsec implementation supports both the IKEv1 and IKEv2 key exchange protocols in conjunction with the native NETKEY IPsec stack of the Linux kernel.
We can use yum or dnf to install strongswan on CentOS 8. In this tutorial we discuss both methods but you only need to choose one of method to install strongswan.
Install strongswan on CentOS 8 Using dnf
Update yum database with dnf using the following command.
sudo dnf makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install strongswan using dnf by running the following command:
sudo dnf -y install strongswan
Install strongswan on CentOS 8 Using yum
Update yum database with yum using the following command.
sudo yum makecache --refresh
The output should look something like this:
CentOS Linux 8 - AppStream 43 kB/s | 4.3 kB 00:00
CentOS Linux 8 - BaseOS 65 kB/s | 3.9 kB 00:00
CentOS Linux 8 - ContinuousRelease 43 kB/s | 3.0 kB 00:00
CentOS Linux 8 - Extras 23 kB/s | 1.5 kB 00:00
CentOS Linux 8 - FastTrack 40 kB/s | 3.0 kB 00:00
CentOS Linux 8 - HighAvailability 36 kB/s | 3.9 kB 00:00
CentOS Linux 8 - Plus 24 kB/s | 1.5 kB 00:00
CentOS Linux 8 - PowerTools 50 kB/s | 4.3 kB 00:00
Extra Packages for Enterprise Linux Modular 8 - x86_64 13 kB/s | 9.2 kB 00:00
Extra Packages for Enterprise Linux 8 - x86_64 24 kB/s | 8.5 kB 00:00
Metadata cache created.
After updating yum database, We can install strongswan using yum by running the following command:
sudo yum -y install strongswan
How To Uninstall strongswan on CentOS 8
To uninstall only the strongswan package we can use the following command:
sudo dnf remove strongswan
strongswan Package Contents on CentOS 8
/etc/strongswan
/etc/strongswan/ipsec.conf
/etc/strongswan/ipsec.d
/etc/strongswan/ipsec.d/aacerts
/etc/strongswan/ipsec.d/acerts
/etc/strongswan/ipsec.d/cacerts
/etc/strongswan/ipsec.d/certs
/etc/strongswan/ipsec.d/crls
/etc/strongswan/ipsec.d/ocspcerts
/etc/strongswan/ipsec.d/private
/etc/strongswan/ipsec.d/reqs
/etc/strongswan/ipsec.secrets
/etc/strongswan/strongswan.conf
/etc/strongswan/strongswan.d
/etc/strongswan/strongswan.d/aikgen.conf
/etc/strongswan/strongswan.d/attest.conf
/etc/strongswan/strongswan.d/charon
/etc/strongswan/strongswan.d/charon-logging.conf
/etc/strongswan/strongswan.d/charon-systemd.conf
/etc/strongswan/strongswan.d/charon.conf
/etc/strongswan/strongswan.d/charon/acert.conf
/etc/strongswan/strongswan.d/charon/aes.conf
/etc/strongswan/strongswan.d/charon/aesni.conf
/etc/strongswan/strongswan.d/charon/attr.conf
/etc/strongswan/strongswan.d/charon/bypass-lan.conf
/etc/strongswan/strongswan.d/charon/ccm.conf
/etc/strongswan/strongswan.d/charon/chapoly.conf
/etc/strongswan/strongswan.d/charon/cmac.conf
/etc/strongswan/strongswan.d/charon/constraints.conf
/etc/strongswan/strongswan.d/charon/counters.conf
/etc/strongswan/strongswan.d/charon/ctr.conf
/etc/strongswan/strongswan.d/charon/curl.conf
/etc/strongswan/strongswan.d/charon/curve25519.conf
/etc/strongswan/strongswan.d/charon/des.conf
/etc/strongswan/strongswan.d/charon/dhcp.conf
/etc/strongswan/strongswan.d/charon/dnskey.conf
/etc/strongswan/strongswan.d/charon/drbg.conf
/etc/strongswan/strongswan.d/charon/duplicheck.conf
/etc/strongswan/strongswan.d/charon/eap-aka-3gpp.conf
/etc/strongswan/strongswan.d/charon/eap-aka-3gpp2.conf
/etc/strongswan/strongswan.d/charon/eap-aka.conf
/etc/strongswan/strongswan.d/charon/eap-dynamic.conf
/etc/strongswan/strongswan.d/charon/eap-gtc.conf
/etc/strongswan/strongswan.d/charon/eap-identity.conf
/etc/strongswan/strongswan.d/charon/eap-md5.conf
/etc/strongswan/strongswan.d/charon/eap-mschapv2.conf
/etc/strongswan/strongswan.d/charon/eap-peap.conf
/etc/strongswan/strongswan.d/charon/eap-radius.conf
/etc/strongswan/strongswan.d/charon/eap-sim-file.conf
/etc/strongswan/strongswan.d/charon/eap-sim.conf
/etc/strongswan/strongswan.d/charon/eap-tls.conf
/etc/strongswan/strongswan.d/charon/eap-tnc.conf
/etc/strongswan/strongswan.d/charon/eap-ttls.conf
/etc/strongswan/strongswan.d/charon/ext-auth.conf
/etc/strongswan/strongswan.d/charon/farp.conf
/etc/strongswan/strongswan.d/charon/fips-prf.conf
/etc/strongswan/strongswan.d/charon/gcm.conf
/etc/strongswan/strongswan.d/charon/gcrypt.conf
/etc/strongswan/strongswan.d/charon/gmp.conf
/etc/strongswan/strongswan.d/charon/ha.conf
/etc/strongswan/strongswan.d/charon/hmac.conf
/etc/strongswan/strongswan.d/charon/ipseckey.conf
/etc/strongswan/strongswan.d/charon/kernel-libipsec.conf
/etc/strongswan/strongswan.d/charon/kernel-netlink.conf
/etc/strongswan/strongswan.d/charon/led.conf
/etc/strongswan/strongswan.d/charon/md4.conf
/etc/strongswan/strongswan.d/charon/md5.conf
/etc/strongswan/strongswan.d/charon/mgf1.conf
/etc/strongswan/strongswan.d/charon/newhope.conf
/etc/strongswan/strongswan.d/charon/nonce.conf
/etc/strongswan/strongswan.d/charon/openssl.conf
/etc/strongswan/strongswan.d/charon/pem.conf
/etc/strongswan/strongswan.d/charon/pgp.conf
/etc/strongswan/strongswan.d/charon/pkcs1.conf
/etc/strongswan/strongswan.d/charon/pkcs11.conf
/etc/strongswan/strongswan.d/charon/pkcs12.conf
/etc/strongswan/strongswan.d/charon/pkcs7.conf
/etc/strongswan/strongswan.d/charon/pkcs8.conf
/etc/strongswan/strongswan.d/charon/pubkey.conf
/etc/strongswan/strongswan.d/charon/random.conf
/etc/strongswan/strongswan.d/charon/rc2.conf
/etc/strongswan/strongswan.d/charon/resolve.conf
/etc/strongswan/strongswan.d/charon/revocation.conf
/etc/strongswan/strongswan.d/charon/sha1.conf
/etc/strongswan/strongswan.d/charon/sha2.conf
/etc/strongswan/strongswan.d/charon/socket-default.conf
/etc/strongswan/strongswan.d/charon/sql.conf
/etc/strongswan/strongswan.d/charon/sqlite.conf
/etc/strongswan/strongswan.d/charon/sshkey.conf
/etc/strongswan/strongswan.d/charon/stroke.conf
/etc/strongswan/strongswan.d/charon/tnc-ifmap.conf
/etc/strongswan/strongswan.d/charon/tnc-imc.conf
/etc/strongswan/strongswan.d/charon/tnc-imv.conf
/etc/strongswan/strongswan.d/charon/tnc-pdp.conf
/etc/strongswan/strongswan.d/charon/tnc-tnccs.conf
/etc/strongswan/strongswan.d/charon/tnccs-11.conf
/etc/strongswan/strongswan.d/charon/tnccs-20.conf
/etc/strongswan/strongswan.d/charon/tnccs-dynamic.conf
/etc/strongswan/strongswan.d/charon/tpm.conf
/etc/strongswan/strongswan.d/charon/unity.conf
/etc/strongswan/strongswan.d/charon/updown.conf
/etc/strongswan/strongswan.d/charon/vici.conf
/etc/strongswan/strongswan.d/charon/x509.conf
/etc/strongswan/strongswan.d/charon/xauth-eap.conf
/etc/strongswan/strongswan.d/charon/xauth-generic.conf
/etc/strongswan/strongswan.d/charon/xauth-noauth.conf
/etc/strongswan/strongswan.d/charon/xauth-pam.conf
/etc/strongswan/strongswan.d/charon/xcbc.conf
/etc/strongswan/strongswan.d/imcv.conf
/etc/strongswan/strongswan.d/pki.conf
/etc/strongswan/strongswan.d/scepclient.conf
/etc/strongswan/strongswan.d/sec-updater.conf
/etc/strongswan/strongswan.d/starter.conf
/etc/strongswan/strongswan.d/swanctl.conf
/etc/strongswan/strongswan.d/tnc.conf
/etc/strongswan/swanctl
/etc/strongswan/swanctl/bliss
/etc/strongswan/swanctl/conf.d
/etc/strongswan/swanctl/ecdsa
/etc/strongswan/swanctl/pkcs12
/etc/strongswan/swanctl/pkcs8
/etc/strongswan/swanctl/private
/etc/strongswan/swanctl/pubkey
/etc/strongswan/swanctl/rsa
/etc/strongswan/swanctl/swanctl.conf
/etc/strongswan/swanctl/x509
/etc/strongswan/swanctl/x509aa
/etc/strongswan/swanctl/x509ac
/etc/strongswan/swanctl/x509ca
/etc/strongswan/swanctl/x509crl
/etc/strongswan/swanctl/x509ocsp
/run/strongswan
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/usr/lib/.build-id/c7/5702c002a9273528c8e7f450b9f5f010f700c1
/usr/lib/.build-id/c7/fd6fdfca5aaf60f7a7d8f8c37c1b90c70ab979
/usr/lib/.build-id/cd
/usr/lib/.build-id/cd/64e2ff043148c8e1273d02be3e5d8fb5f0108b
/usr/lib/.build-id/cd/6976a017420de12b0c897f9ccbe605753a5c31
/usr/lib/.build-id/d3
/usr/lib/.build-id/d3/3bcd59b65d92bc63cf2fe99e4fbf0871fdd5df
/usr/lib/.build-id/d5
/usr/lib/.build-id/d5/faf4b250e2723520aed1410dcd246958b95d00
/usr/lib/.build-id/da
/usr/lib/.build-id/da/960e9b9e9f51032f69e24290ac6383fe550433
/usr/lib/.build-id/dc
/usr/lib/.build-id/dc/2908564461ab12ebd33b46930e3a586b43d5f4
/usr/lib/.build-id/dc/ffbc021f5c8c6609ba59f944462db125b4f49b
/usr/lib/.build-id/df
/usr/lib/.build-id/df/59c429e6c66c95c11ae2dd757e668c1dee5d89
/usr/lib/.build-id/e0
/usr/lib/.build-id/e0/1fa28c061b3b6179508eb970e04b2ff9392046
/usr/lib/.build-id/e0/4419470e0bc933f8a3442e2664599ee6344781
/usr/lib/.build-id/e3
/usr/lib/.build-id/e3/3c6dd1f0ad631bda43872f12895695edb7dfa6
/usr/lib/.build-id/e5
/usr/lib/.build-id/e5/b1dc0de14f71bb6a1eced8daf576567af0dcc4
/usr/lib/.build-id/ee
/usr/lib/.build-id/ee/22a72643d91165141ce159a9e3dabde7da359d
/usr/lib/.build-id/ee/b38245912ab638590e10115fe94e1aeda5f978
/usr/lib/.build-id/ee/ceaabe24a9ddbe4277b52f846eb492ac214b89
/usr/lib/.build-id/f0
/usr/lib/.build-id/f0/94d5c4776d5949692cffa69979b56e4fad8061
/usr/lib/.build-id/f2
/usr/lib/.build-id/f2/195606931f4f3f82d6ddabf01fe32b1b5e8264
/usr/lib/.build-id/f3
/usr/lib/.build-id/f3/f11987d644790de9ba2ebb95dfc14fbc8006c5
/usr/lib/.build-id/f5
/usr/lib/.build-id/f5/1ae54deba4bbb18cf18c8134d986423d4de565
/usr/lib/.build-id/f7
/usr/lib/.build-id/f7/3a14d8a28ab08d417c40e8482a2206ed462325
/usr/lib/.build-id/f8
/usr/lib/.build-id/f8/c8508b217eb9d2aab4882e5960fe4a2d7930bc
/usr/lib/.build-id/f9
/usr/lib/.build-id/f9/37db76b6cf4c8ec15a769241301f2f246d097c
/usr/lib/.build-id/fa
/usr/lib/.build-id/fa/17ac01ecfcdf9a0af4c6a309ab251e2c73bd98
/usr/lib/.build-id/fb
/usr/lib/.build-id/fb/dfa413ecf9227b7d2356d607225d355c85175b
/usr/lib/.build-id/fe
/usr/lib/.build-id/fe/1de27a94ffde4098cb21b27b3274021d93d1c6
/usr/lib/.build-id/ff
/usr/lib/.build-id/ff/860d939703e0e0119ff248578d70e57bf7db50
/usr/lib/systemd/system/strongswan-starter.service
/usr/lib/systemd/system/strongswan.service
/usr/lib/tmpfiles.d/strongswan.conf
/usr/lib64/strongswan
/usr/lib64/strongswan/libcharon.so.0
/usr/lib64/strongswan/libcharon.so.0.0.0
/usr/lib64/strongswan/libnttfft.so.0
/usr/lib64/strongswan/libnttfft.so.0.0.0
/usr/lib64/strongswan/libpttls.so.0
/usr/lib64/strongswan/libpttls.so.0.0.0
/usr/lib64/strongswan/libradius.so.0
/usr/lib64/strongswan/libradius.so.0.0.0
/usr/lib64/strongswan/libsimaka.so.0
/usr/lib64/strongswan/libsimaka.so.0.0.0
/usr/lib64/strongswan/libstrongswan.so.0
/usr/lib64/strongswan/libstrongswan.so.0.0.0
/usr/lib64/strongswan/libtls.so.0
/usr/lib64/strongswan/libtls.so.0.0.0
/usr/lib64/strongswan/libtpmtss.so.0
/usr/lib64/strongswan/libtpmtss.so.0.0.0
/usr/lib64/strongswan/libvici.so.0
/usr/lib64/strongswan/libvici.so.0.0.0
/usr/lib64/strongswan/plugins
/usr/lib64/strongswan/plugins/libstrongswan-acert.so
/usr/lib64/strongswan/plugins/libstrongswan-aes.so
/usr/lib64/strongswan/plugins/libstrongswan-aesni.so
/usr/lib64/strongswan/plugins/libstrongswan-attr.so
/usr/lib64/strongswan/plugins/libstrongswan-bypass-lan.so
/usr/lib64/strongswan/plugins/libstrongswan-ccm.so
/usr/lib64/strongswan/plugins/libstrongswan-chapoly.so
/usr/lib64/strongswan/plugins/libstrongswan-cmac.so
/usr/lib64/strongswan/plugins/libstrongswan-constraints.so
/usr/lib64/strongswan/plugins/libstrongswan-counters.so
/usr/lib64/strongswan/plugins/libstrongswan-ctr.so
/usr/lib64/strongswan/plugins/libstrongswan-curl.so
/usr/lib64/strongswan/plugins/libstrongswan-curve25519.so
/usr/lib64/strongswan/plugins/libstrongswan-des.so
/usr/lib64/strongswan/plugins/libstrongswan-dhcp.so
/usr/lib64/strongswan/plugins/libstrongswan-dnskey.so
/usr/lib64/strongswan/plugins/libstrongswan-drbg.so
/usr/lib64/strongswan/plugins/libstrongswan-duplicheck.so
/usr/lib64/strongswan/plugins/libstrongswan-eap-aka-3gpp.so
/usr/lib64/strongswan/plugins/libstrongswan-eap-aka-3gpp2.so
/usr/lib64/strongswan/plugins/libstrongswan-eap-aka.so
/usr/lib64/strongswan/plugins/libstrongswan-eap-dynamic.so
/usr/lib64/strongswan/plugins/libstrongswan-eap-gtc.so
/usr/lib64/strongswan/plugins/libstrongswan-eap-identity.so
/usr/lib64/strongswan/plugins/libstrongswan-eap-md5.so
/usr/lib64/strongswan/plugins/libstrongswan-eap-mschapv2.so
/usr/lib64/strongswan/plugins/libstrongswan-eap-peap.so
/usr/lib64/strongswan/plugins/libstrongswan-eap-radius.so
/usr/lib64/strongswan/plugins/libstrongswan-eap-sim-file.so
/usr/lib64/strongswan/plugins/libstrongswan-eap-sim.so
/usr/lib64/strongswan/plugins/libstrongswan-eap-tls.so
/usr/lib64/strongswan/plugins/libstrongswan-eap-ttls.so
/usr/lib64/strongswan/plugins/libstrongswan-ext-auth.so
/usr/lib64/strongswan/plugins/libstrongswan-farp.so
/usr/lib64/strongswan/plugins/libstrongswan-fips-prf.so
/usr/lib64/strongswan/plugins/libstrongswan-gcm.so
/usr/lib64/strongswan/plugins/libstrongswan-gcrypt.so
/usr/lib64/strongswan/plugins/libstrongswan-gmp.so
/usr/lib64/strongswan/plugins/libstrongswan-ha.so
/usr/lib64/strongswan/plugins/libstrongswan-hmac.so
/usr/lib64/strongswan/plugins/libstrongswan-ipseckey.so
/usr/lib64/strongswan/plugins/libstrongswan-kernel-netlink.so
/usr/lib64/strongswan/plugins/libstrongswan-led.so
/usr/lib64/strongswan/plugins/libstrongswan-md4.so
/usr/lib64/strongswan/plugins/libstrongswan-md5.so
/usr/lib64/strongswan/plugins/libstrongswan-mgf1.so
/usr/lib64/strongswan/plugins/libstrongswan-newhope.so
/usr/lib64/strongswan/plugins/libstrongswan-nonce.so
/usr/lib64/strongswan/plugins/libstrongswan-openssl.so
/usr/lib64/strongswan/plugins/libstrongswan-pem.so
/usr/lib64/strongswan/plugins/libstrongswan-pgp.so
/usr/lib64/strongswan/plugins/libstrongswan-pkcs1.so
/usr/lib64/strongswan/plugins/libstrongswan-pkcs11.so
/usr/lib64/strongswan/plugins/libstrongswan-pkcs12.so
/usr/lib64/strongswan/plugins/libstrongswan-pkcs7.so
/usr/lib64/strongswan/plugins/libstrongswan-pkcs8.so
/usr/lib64/strongswan/plugins/libstrongswan-pubkey.so
/usr/lib64/strongswan/plugins/libstrongswan-random.so
/usr/lib64/strongswan/plugins/libstrongswan-rc2.so
/usr/lib64/strongswan/plugins/libstrongswan-resolve.so
/usr/lib64/strongswan/plugins/libstrongswan-revocation.so
/usr/lib64/strongswan/plugins/libstrongswan-sha1.so
/usr/lib64/strongswan/plugins/libstrongswan-sha2.so
/usr/lib64/strongswan/plugins/libstrongswan-socket-default.so
/usr/lib64/strongswan/plugins/libstrongswan-sql.so
/usr/lib64/strongswan/plugins/libstrongswan-sshkey.so
/usr/lib64/strongswan/plugins/libstrongswan-stroke.so
/usr/lib64/strongswan/plugins/libstrongswan-tpm.so
/usr/lib64/strongswan/plugins/libstrongswan-unity.so
/usr/lib64/strongswan/plugins/libstrongswan-updown.so
/usr/lib64/strongswan/plugins/libstrongswan-vici.so
/usr/lib64/strongswan/plugins/libstrongswan-x509.so
/usr/lib64/strongswan/plugins/libstrongswan-xauth-eap.so
/usr/lib64/strongswan/plugins/libstrongswan-xauth-generic.so
/usr/lib64/strongswan/plugins/libstrongswan-xauth-noauth.so
/usr/lib64/strongswan/plugins/libstrongswan-xauth-pam.so
/usr/lib64/strongswan/plugins/libstrongswan-xcbc.so
/usr/libexec/strongswan
/usr/libexec/strongswan/_copyright
/usr/libexec/strongswan/_imv_policy
/usr/libexec/strongswan/_updown
/usr/libexec/strongswan/aikgen
/usr/libexec/strongswan/charon
/usr/libexec/strongswan/duplicheck
/usr/libexec/strongswan/imv_policy_manager
/usr/libexec/strongswan/pki
/usr/libexec/strongswan/scepclient
/usr/libexec/strongswan/starter
/usr/libexec/strongswan/stroke
/usr/libexec/strongswan/tpm_extendpcr
/usr/libexec/strongswan/xfrmi
/usr/sbin/charon-cmd
/usr/sbin/charon-systemd
/usr/sbin/strongswan
/usr/sbin/swanctl
/usr/share/doc/strongswan
/usr/share/doc/strongswan/ChangeLog
/usr/share/doc/strongswan/NEWS
/usr/share/doc/strongswan/README
/usr/share/doc/strongswan/TODO
/usr/share/licenses/strongswan
/usr/share/licenses/strongswan/COPYING
/usr/share/man/man1/strongswan_pki---acert.1.gz
/usr/share/man/man1/strongswan_pki---dn.1.gz
/usr/share/man/man1/strongswan_pki---gen.1.gz
/usr/share/man/man1/strongswan_pki---issue.1.gz
/usr/share/man/man1/strongswan_pki---keyid.1.gz
/usr/share/man/man1/strongswan_pki---pkcs7.1.gz
/usr/share/man/man1/strongswan_pki---print.1.gz
/usr/share/man/man1/strongswan_pki---pub.1.gz
/usr/share/man/man1/strongswan_pki---req.1.gz
/usr/share/man/man1/strongswan_pki---self.1.gz
/usr/share/man/man1/strongswan_pki---signcrl.1.gz
/usr/share/man/man1/strongswan_pki---verify.1.gz
/usr/share/man/man1/strongswan_pki.1.gz
/usr/share/man/man1/strongswan_pt-tls-client.1.gz
/usr/share/man/man5/strongswan.conf.5.gz
/usr/share/man/man5/strongswan_ipsec.conf.5.gz
/usr/share/man/man5/strongswan_ipsec.secrets.5.gz
/usr/share/man/man5/strongswan_swanctl.conf.5.gz
/usr/share/man/man8/strongswan.8.gz
/usr/share/man/man8/strongswan_charon-cmd.8.gz
/usr/share/man/man8/strongswan_scepclient.8.gz
/usr/share/man/man8/strongswan_sec-updater.8.gz
/usr/share/man/man8/strongswan_sw-collector.8.gz
/usr/share/man/man8/strongswan_swanctl.8.gz
/usr/share/strongswan/templates/config
/usr/share/strongswan/templates/config/plugins
/usr/share/strongswan/templates/config/plugins/acert.conf
/usr/share/strongswan/templates/config/plugins/aes.conf
/usr/share/strongswan/templates/config/plugins/aesni.conf
/usr/share/strongswan/templates/config/plugins/attr.conf
/usr/share/strongswan/templates/config/plugins/bypass-lan.conf
/usr/share/strongswan/templates/config/plugins/ccm.conf
/usr/share/strongswan/templates/config/plugins/chapoly.conf
/usr/share/strongswan/templates/config/plugins/cmac.conf
/usr/share/strongswan/templates/config/plugins/constraints.conf
/usr/share/strongswan/templates/config/plugins/counters.conf
/usr/share/strongswan/templates/config/plugins/ctr.conf
/usr/share/strongswan/templates/config/plugins/curl.conf
/usr/share/strongswan/templates/config/plugins/curve25519.conf
/usr/share/strongswan/templates/config/plugins/des.conf
/usr/share/strongswan/templates/config/plugins/dhcp.conf
/usr/share/strongswan/templates/config/plugins/dnskey.conf
/usr/share/strongswan/templates/config/plugins/drbg.conf
/usr/share/strongswan/templates/config/plugins/duplicheck.conf
/usr/share/strongswan/templates/config/plugins/eap-aka-3gpp.conf
/usr/share/strongswan/templates/config/plugins/eap-aka-3gpp2.conf
/usr/share/strongswan/templates/config/plugins/eap-aka.conf
/usr/share/strongswan/templates/config/plugins/eap-dynamic.conf
/usr/share/strongswan/templates/config/plugins/eap-gtc.conf
/usr/share/strongswan/templates/config/plugins/eap-identity.conf
/usr/share/strongswan/templates/config/plugins/eap-md5.conf
/usr/share/strongswan/templates/config/plugins/eap-mschapv2.conf
/usr/share/strongswan/templates/config/plugins/eap-peap.conf
/usr/share/strongswan/templates/config/plugins/eap-radius.conf
/usr/share/strongswan/templates/config/plugins/eap-sim-file.conf
/usr/share/strongswan/templates/config/plugins/eap-sim.conf
/usr/share/strongswan/templates/config/plugins/eap-tls.conf
/usr/share/strongswan/templates/config/plugins/eap-tnc.conf
/usr/share/strongswan/templates/config/plugins/eap-ttls.conf
/usr/share/strongswan/templates/config/plugins/ext-auth.conf
/usr/share/strongswan/templates/config/plugins/farp.conf
/usr/share/strongswan/templates/config/plugins/fips-prf.conf
/usr/share/strongswan/templates/config/plugins/gcm.conf
/usr/share/strongswan/templates/config/plugins/gcrypt.conf
/usr/share/strongswan/templates/config/plugins/gmp.conf
/usr/share/strongswan/templates/config/plugins/ha.conf
/usr/share/strongswan/templates/config/plugins/hmac.conf
/usr/share/strongswan/templates/config/plugins/ipseckey.conf
/usr/share/strongswan/templates/config/plugins/kernel-libipsec.conf
/usr/share/strongswan/templates/config/plugins/kernel-netlink.conf
/usr/share/strongswan/templates/config/plugins/led.conf
/usr/share/strongswan/templates/config/plugins/md4.conf
/usr/share/strongswan/templates/config/plugins/md5.conf
/usr/share/strongswan/templates/config/plugins/mgf1.conf
/usr/share/strongswan/templates/config/plugins/newhope.conf
/usr/share/strongswan/templates/config/plugins/nonce.conf
/usr/share/strongswan/templates/config/plugins/openssl.conf
/usr/share/strongswan/templates/config/plugins/pem.conf
/usr/share/strongswan/templates/config/plugins/pgp.conf
/usr/share/strongswan/templates/config/plugins/pkcs1.conf
/usr/share/strongswan/templates/config/plugins/pkcs11.conf
/usr/share/strongswan/templates/config/plugins/pkcs12.conf
/usr/share/strongswan/templates/config/plugins/pkcs7.conf
/usr/share/strongswan/templates/config/plugins/pkcs8.conf
/usr/share/strongswan/templates/config/plugins/pubkey.conf
/usr/share/strongswan/templates/config/plugins/random.conf
/usr/share/strongswan/templates/config/plugins/rc2.conf
/usr/share/strongswan/templates/config/plugins/resolve.conf
/usr/share/strongswan/templates/config/plugins/revocation.conf
/usr/share/strongswan/templates/config/plugins/sha1.conf
/usr/share/strongswan/templates/config/plugins/sha2.conf
/usr/share/strongswan/templates/config/plugins/socket-default.conf
/usr/share/strongswan/templates/config/plugins/sql.conf
/usr/share/strongswan/templates/config/plugins/sqlite.conf
/usr/share/strongswan/templates/config/plugins/sshkey.conf
/usr/share/strongswan/templates/config/plugins/stroke.conf
/usr/share/strongswan/templates/config/plugins/tnc-ifmap.conf
/usr/share/strongswan/templates/config/plugins/tnc-imc.conf
/usr/share/strongswan/templates/config/plugins/tnc-imv.conf
/usr/share/strongswan/templates/config/plugins/tnc-pdp.conf
/usr/share/strongswan/templates/config/plugins/tnc-tnccs.conf
/usr/share/strongswan/templates/config/plugins/tnccs-11.conf
/usr/share/strongswan/templates/config/plugins/tnccs-20.conf
/usr/share/strongswan/templates/config/plugins/tnccs-dynamic.conf
/usr/share/strongswan/templates/config/plugins/tpm.conf
/usr/share/strongswan/templates/config/plugins/unity.conf
/usr/share/strongswan/templates/config/plugins/updown.conf
/usr/share/strongswan/templates/config/plugins/vici.conf
/usr/share/strongswan/templates/config/plugins/x509.conf
/usr/share/strongswan/templates/config/plugins/xauth-eap.conf
/usr/share/strongswan/templates/config/plugins/xauth-generic.conf
/usr/share/strongswan/templates/config/plugins/xauth-noauth.conf
/usr/share/strongswan/templates/config/plugins/xauth-pam.conf
/usr/share/strongswan/templates/config/plugins/xcbc.conf
/usr/share/strongswan/templates/config/strongswan.conf
/usr/share/strongswan/templates/config/strongswan.d
/usr/share/strongswan/templates/config/strongswan.d/aikgen.conf
/usr/share/strongswan/templates/config/strongswan.d/attest.conf
/usr/share/strongswan/templates/config/strongswan.d/charon-logging.conf
/usr/share/strongswan/templates/config/strongswan.d/charon-systemd.conf
/usr/share/strongswan/templates/config/strongswan.d/charon.conf
/usr/share/strongswan/templates/config/strongswan.d/imcv.conf
/usr/share/strongswan/templates/config/strongswan.d/pki.conf
/usr/share/strongswan/templates/config/strongswan.d/scepclient.conf
/usr/share/strongswan/templates/config/strongswan.d/sec-updater.conf
/usr/share/strongswan/templates/config/strongswan.d/starter.conf
/usr/share/strongswan/templates/config/strongswan.d/swanctl.conf
/usr/share/strongswan/templates/config/strongswan.d/tnc.conf
/usr/share/strongswan/templates/database
/usr/share/strongswan/templates/database/imv
/usr/share/strongswan/templates/database/imv/data.sql
/usr/share/strongswan/templates/database/imv/tables-mysql.sql
/usr/share/strongswan/templates/database/imv/tables.sql
/usr/share/strongswan/templates/database/sql
/usr/share/strongswan/templates/database/sql/mysql.sql
/usr/share/strongswan/templates/database/sql/sqlite.sql
/usr/share/strongswan/templates/database/sw-collector
/usr/share/strongswan/templates/database/sw-collector/sw_collector_tables.sql
References
Summary
In this tutorial we learn how to install strongswan on CentOS 8 using yum and dnf.