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-rw-r--r--roles/common/files/etc/fail2ban/filter.d/dovecot.conf49
-rw-r--r--roles/common/files/etc/logcheck/ignore.d.server/common-local8
-rw-r--r--roles/common/files/etc/logcheck/ignore.d.server/postfix-local4
-rwxr-xr-xroles/common/files/usr/local/bin/genkeypair.sh10
-rw-r--r--roles/common/templates/etc/apt/preferences.j210
-rw-r--r--roles/common/templates/etc/apt/sources.list.j26
-rw-r--r--roles/common/templates/etc/ipsec.conf.j21
-rwxr-xr-xroles/common/templates/etc/nftables.conf.j229
8 files changed, 40 insertions, 77 deletions
diff --git a/roles/common/files/etc/fail2ban/filter.d/dovecot.conf b/roles/common/files/etc/fail2ban/filter.d/dovecot.conf
deleted file mode 100644
index c8f5345..0000000
--- a/roles/common/files/etc/fail2ban/filter.d/dovecot.conf
+++ /dev/null
@@ -1,49 +0,0 @@
-# Fail2Ban filter Dovecot authentication and pop3/imap/managesieve server
-# guilhem 2020-05-19: This is the filter from Buster (fail2ban
-# 0.10.2-2.1) with managesieve to the list of protected services
-#
-
-[INCLUDES]
-
-before = common.conf
-
-[Definition]
-
-_auth_worker = (?:dovecot: )?auth(?:-worker)?
-_daemon = (?:dovecot(?:-auth)?|auth)
-
-prefregex = ^%(__prefix_line)s(?:%(_auth_worker)s(?:\([^\)]+\))?: )?(?:%(__pam_auth)s(?:\(dovecot:auth\))?: |(?:pop3|imap|managesieve)-login: )?(?:Info: )?<F-CONTENT>.+</F-CONTENT>$
-
-failregex = ^authentication failure; logname=\S* uid=\S* euid=\S* tty=dovecot ruser=\S* rhost=<HOST>(?:\s+user=\S*)?\s*$
- ^(?:Aborted login|Disconnected)(?::(?: [^ \(]+)+)? \((?:auth failed, \d+ attempts(?: in \d+ secs)?|tried to use (?:disabled|disallowed) \S+ auth)\):(?: user=<[^>]*>,)?(?: method=\S+,)? rip=<HOST>(?:[^>]*(?:, session=<\S+>)?)\s*$
- ^pam\(\S+,<HOST>(?:,\S*)?\): pam_authenticate\(\) failed: (?:User not known to the underlying authentication module: \d+ Time\(s\)|Authentication failure \(password mismatch\?\)|Permission denied)\s*$
- ^[a-z\-]{3,15}\(\S*,<HOST>(?:,\S*)?\): (?:unknown user|invalid credentials)\s*$
- <mdre-<mode>>
-
-mdre-aggressive = ^(?:Aborted login|Disconnected)(?::(?: [^ \(]+)+)? \((?:no auth attempts|disconnected before auth was ready,|client didn't finish \S+ auth,)(?: (?:in|waited) \d+ secs)?\):(?: user=<[^>]*>,)?(?: method=\S+,)? rip=<HOST>(?:[^>]*(?:, session=<\S+>)?)\s*$
-
-mdre-normal =
-
-# Parameter `mode` - `normal` or `aggressive`.
-# Aggressive mode can be used to match log-entries like:
-# 'no auth attempts', 'disconnected before auth was ready', 'client didn't finish SASL auth'.
-# Note it may produce lots of false positives on misconfigured MTAs.
-# Ex.:
-# filter = dovecot[mode=aggressive]
-mode = normal
-
-ignoreregex =
-
-journalmatch = _SYSTEMD_UNIT=dovecot.service
-
-datepattern = {^LN-BEG}TAI64N
- {^LN-BEG}
-
-# DEV Notes:
-# * the first regex is essentially a copy of pam-generic.conf
-# * Probably doesn't do dovecot sql/ldap backends properly (resolved in edit 21/03/2016)
-#
-# Author: Martin Waschbuesch
-# Daniel Black (rewrote with begin and end anchors)
-# Martin O'Neal (added LDAP authentication failure regex)
-# Sergey G. Brester aka sebres (reviewed, optimized, IPv6-compatibility)
diff --git a/roles/common/files/etc/logcheck/ignore.d.server/common-local b/roles/common/files/etc/logcheck/ignore.d.server/common-local
index 9b0d0fe..1525664 100644
--- a/roles/common/files/etc/logcheck/ignore.d.server/common-local
+++ b/roles/common/files/etc/logcheck/ignore.d.server/common-local
@@ -16,16 +16,22 @@ no matching cipher found: client [.@[:alnum:]-]+(,[.@[:alnum:]-]+)* server [.@[:
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: Bad remote protocol version identification: '.*'$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: Corrupted MAC on input\. \[preauth\]$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: Protocol major versions differ for [[:xdigit:].:]{3,39} port [0-9]+: .+ vs\. .+$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: Protocol major versions differ: .+ vs\. .+$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: banner exchange: Connection from [[:xdigit:].:]{3,39} port [0-9]+: could not read protocol version$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: userauth_pubkey: key type [-[:alnum:]]+ not in PubkeyAcceptedKeyTypes \[preauth\]$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: kex_exchange_identification: Connection closed by remote host$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: kex_exchange_identification: read: Connection reset by peer$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: kex_exchange_identification: client sent invalid protocol identifier "
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: kex_exchange_identification: banner line contains invalid characters$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: kex_protocol_error: type [0-9]+ seq [0-9]+ \[preauth\]$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: fatal: ssh_packet_send_debug: Broken pipe$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: send_error: write: Connection reset by peer$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: fatal: userauth_pubkey: parse request failed: incomplete message \[preauth\]$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: banner exchange: Connection from [[:xdigit:].:]{3,39} port [0-9]+: invalid format$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: error: beginning MaxStartups throttling$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: exited MaxStartups throttling after [0-9]{2}:[0-9]{2}:[0-9]{2}, [0-9]+ connections dropped$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: drop connection #[0-9]+ from \[[[:xdigit:].:]{3,39}\]:[0-9]+ on \[[[:xdigit:].:]{3,39}\]:[0-9]+ past MaxStartups$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ sshd\[[[:digit:]]+\]: User .+ from [[:xdigit:].:]{3,39} not allowed because none of user's groups are listed in AllowGroups$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ systemd\[1\]: Start(ing|ed) Cleanup of Temporary Directories\.(\.\.)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ slapd\[[[:digit:]]+\]: connection_input: conn=[[:digit:]]+ deferring operation: binding$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ (slapd\[[[:digit:]]+\]|slap(acl|add|auth|cat|dn|index)|ldap(add|compare|delete|exop|modify|modrdn|passwd|search|url|whoami)): DIGEST-MD5 common mech free$
@@ -128,3 +134,5 @@ no matching cipher found: client [.@[:alnum:]-]+(,[.@[:alnum:]-]+)* server [.@[:
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ auditd\[[[:digit:]]+\]: Audit daemon rotating log files$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ dhclient\[[[:digit:]]+\]: DHCPREQUEST for [[:digit:].]{3,15} on [[:alnum:]]+ to [[:digit:].]{3,15} port 67$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ bacula-sd\[[[:digit:]]+\]: [._[:alnum:]-]+: askdir\.c:[0-9]+-[0-9]+ Discard: JobMedia Vol=[._[:alnum:]-]+ wrote=[0-9]+ MediaId=[0-9]+ FI=[0-9]+ LI=[0-9]+ StartAddr=[0-9]+ EndAddr=[0-9]+$
+###
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ slapd\[[[:digit:]]+\]: connection_read\([[:digit:]]+\): no connection!$
diff --git a/roles/common/files/etc/logcheck/ignore.d.server/postfix-local b/roles/common/files/etc/logcheck/ignore.d.server/postfix-local
index cffb438..6d836b5 100644
--- a/roles/common/files/etc/logcheck/ignore.d.server/postfix-local
+++ b/roles/common/files/etc/logcheck/ignore.d.server/postfix-local
@@ -28,13 +28,13 @@
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-msa/cleanup\[[[:digit:]]+\]: [[:xdigit:]]+: replace: header\s
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-msa/smtpd\[[[:digit:]]+\]: [[:xdigit:]]+: client=[^[:space:]]+, sasl_method=[-[:alnum:]]+, sasl_username=[-_.@[:alnum:]]+(, sasl_sender=[-_.@[:alnum:]]+)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-msa/smtpd\[[[:digit:]]+\]: warning: [-._[:alnum:]]+\[[[:xdigit:].:]{3,39}\]: SASL [[:alpha:]]+ authentication (failed|aborted)(:[ [:alnum:]]*)?$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-(msa|mx)/smtpd\[[[:digit:]]+\]: improper command pipelining after (EHLO|HELO|AUTH|MAIL|QUIT) from [._[:alnum:]-]+\[[[:xdigit:].:]{3,39}\]:
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-(msa|mx)/smtpd\[[[:digit:]]+\]: improper command pipelining after (CONNECT|EHLO|HELO|AUTH|MAIL|QUIT) from [._[:alnum:]-]+\[[[:xdigit:].:]{3,39}\]:
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-(msa|mx)/smtpd\[[[:digit:]]+\]: warning: hostname [._[:alnum:]-]+ does not resolve to address [[:xdigit:].:]{3,39}(: Name or service not known)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-(msa|mx)/smtpd\[[[:digit:]]+\]: warning: Connection concurrency limit exceeded: [0-9]+ from [._[:alnum:]-]+\[[[:xdigit:].:]{3,39}\] for service (submissions?|smtpd)$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-mx/smtpd\[[[:digit:]]+\]: NOQUEUE: reject: RCPT from [._[:alnum:]-]+\[[[:xdigit:].:]{3,39}\]: 5[[:digit:]]{2} 5(\.[[:digit:]]+){2} <[^>]+>: Helo command rejected: need fully-qualified hostname;( from=<[^>]*> to=<[^>]+>)? proto=E?SMTP( helo=<[^>]+>)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-mx/smtpd\[[[:digit:]]+\]: NOQUEUE: reject: RCPT from [._[:alnum:]-]+\[[[:xdigit:].:]{3,39}\]: 4[[:digit:]]{2} 4(\.[[:digit:]]+){2} <[^>]+>: Sender address rejected: (Domain not found|Malformed DNS server reply);( from=<[^>]*> to=<[^>]+>)? proto=E?SMTP( helo=<[^>]+>)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-mx/smtpd\[[[:digit:]]+\]: NOQUEUE: reject: RCPT from [._[:alnum:]-]+\[[[:xdigit:].:]{3,39}\]: 5[[:digit:]]{2} 5(\.[[:digit:]]+){2} <[^>]+>: Sender address rejected: Domain [.[:alnum:]-]+ does not accept mail \(nullMX\);( from=<[^>]*> to=<[^>]+>)? proto=E?SMTP( helo=<[^>]+>)?$
-^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-mx/smtpd\[[[:digit:]]+\]: NOQUEUE: reject: RCPT from [._[:alnum:]-]+\[[[:xdigit:].:]{3,39}\]: 5[[:digit:]]{2} 5(\.[[:digit:]]+){2} Service unavailable; (Unverified Client host|Sender address) \[\S+\] blocked using [._[:alnum:]-]+(; https?://[^[:blank:];]+)?; from=<[^>]*> to=<[^>]+> proto=E?SMTP( helo=<[^>]+>)?$
+^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-mx/smtpd\[[[:digit:]]+\]: NOQUEUE: reject: RCPT from [._[:alnum:]-]+\[[[:xdigit:].:]{3,39}\]: 5[[:digit:]]{2} 5(\.[[:digit:]]+){2} Service unavailable; (Unverified Client host|Sender address) \[\S+\] blocked using [._[:alnum:]-]+(; Listed by DBL, see https?://[^[:blank:];]+)?; from=<[^>]*> to=<[^>]+> proto=E?SMTP( helo=<[^>]+>)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-mx/smtpd\[[[:digit:]]+\]: NOQUEUE: reject: RCPT from [._[:alnum:]-]+\[([[:xdigit:].:]{3,39})\]: 4[[:digit:]]{2} 4(\.[[:digit:]]+){2} Client host rejected: cannot find your hostname, \[\1\]; from=<[^>]*> to=<[^>]+> proto=E?SMTP( helo=<[^>]+>)?$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-(msa|mx)/smtpd\[[[:digit:]]+\]: timeout after [-[:upper:]]+( \([[:digit:]]+ bytes\))? from [^[:space:]]+$
^\w{3} [ :[:digit:]]{11} [._[:alnum:]-]+ postfix-((msa|mx)/smtpd|out/smtp)\[[[:digit:]]+\]: warning: (tls_text_name: [-._[:alnum:]]+\[[[:xdigit:].:]{3,39}\]: )?peer certificate has no (subject CN|issuer Organization)$
diff --git a/roles/common/files/usr/local/bin/genkeypair.sh b/roles/common/files/usr/local/bin/genkeypair.sh
index ad65aef..72102f4 100755
--- a/roles/common/files/usr/local/bin/genkeypair.sh
+++ b/roles/common/files/usr/local/bin/genkeypair.sh
@@ -119,14 +119,16 @@ done
case "$type" in
# XXX: genrsa and dsaparam have been deprecated in favor of genpkey.
# genpkey can also create explicit EC parameters, but not named.
- rsa) genkey=genrsa; genkeyargs="-f4 ${bits:-2048}";;
- dsa) genkey=dsaparam; genkeyargs="-noout -genkey ${bits:-1024}";;
+ rsa) genkey=genrsa; genkeyargs="-rand /dev/urandom -f4 ${bits:-2048}";;
+ dsa) genkey=dsaparam; genkeyargs="-rand /dev/urandom -noout -genkey ${bits:-1024}";;
# See 'openssl ecparam -list_curves' for the list of supported
# curves. StrongSwan doesn't support explicit curve parameters
# (however explicit parameters might be required to make exotic
# curves work with some clients.)
ecdsa) genkey=ecparam
- genkeyargs="-noout -name ${bits:-secp224r1} -param_enc named_curve -genkey";;
+ genkeyargs="-rand /dev/urandom -noout -name ${bits:-secp224r1} -param_enc named_curve -genkey";;
+ x25519|x448|ed25519|ed448) genkey=genpkey
+ genkeyargs="-algorithm $type";;
*) echo "Unrecognized key type: $type" >&2; exit 2
esac
@@ -173,7 +175,7 @@ if [ -s "$privkey" -a $force -eq 0 ]; then
exit 1
elif [ ! -s "$privkey" -o $force -ge 2 ]; then
install --mode="${mode:-0600}" ${owner:+--owner="$owner"} ${group:+--group="$group"} /dev/null "$privkey" || exit 2
- openssl $genkey -rand /dev/urandom $genkeyargs >"$privkey" || exit 2
+ openssl $genkey $genkeyargs >"$privkey" || exit 2
[ "$cmd" = dkim ] && exit
fi
diff --git a/roles/common/templates/etc/apt/preferences.j2 b/roles/common/templates/etc/apt/preferences.j2
index 383037f..39b610e 100644
--- a/roles/common/templates/etc/apt/preferences.j2
+++ b/roles/common/templates/etc/apt/preferences.j2
@@ -1,10 +1,10 @@
# {{ ansible_managed }}
# Do NOT edit this file directly!
-# Install updates as soon as they're available
-Package: *
-Pin: release o=Debian, n={{ ansible_lsb.codename }}-updates
-Pin-Priority: 990
+## Install updates as soon as they're available
+#Package: *
+#Pin: release o=Debian, n={{ ansible_lsb.codename }}-updates
+#Pin-Priority: 990
{% if 'backports' in group_names -%}
# Automatically packages from backports (those manually installed)
@@ -20,7 +20,7 @@ Pin: release o=Debian
Pin-Priority: 200
{% endif %}
-{% if ansible_processor[1] is search('^(Genuine)?Intel.*') and not ansible_virtualization_role == 'guest' -%}
+{% if ansible_processor[1] is search('^(Genuine)?Intel.*') and not ansible_virtualization_role == 'guest' and ansible_lsb.major_release | int < 12 -%}
# Automatically upgrade the microcode (when manually installed)
Package: intel-microcode iucode-tool
Pin: release o=Debian
diff --git a/roles/common/templates/etc/apt/sources.list.j2 b/roles/common/templates/etc/apt/sources.list.j2
index c8f5dfc..f524f2f 100644
--- a/roles/common/templates/etc/apt/sources.list.j2
+++ b/roles/common/templates/etc/apt/sources.list.j2
@@ -2,11 +2,11 @@
# Do NOT edit this file directly!
# vim: set filetype=debsources :
-deb https://deb.debian.org/debian {{ ansible_lsb.codename }} main{% if inventory_hostname_short in non_free_packages.keys() or (ansible_processor[1] is search("^(Genuine)?Intel.*") and not ansible_virtualization_role == 'guest') %} contrib non-free{% endif %}
+deb https://deb.debian.org/debian {{ ansible_lsb.codename }} main{% if inventory_hostname_short in non_free_packages.keys() or (ansible_processor[1] is search("^(Genuine)?Intel.*") and not ansible_virtualization_role == 'guest' and ansible_lsb.major_release | int < 12) %} contrib non-free{% endif %}{% if ansible_lsb.major_release | int >= 12 %} non-free-firmware{% endif %}
-deb https://deb.debian.org/debian-security {{ ansible_lsb.codename }}{% if ansible_lsb.major_release | int < 11 %}/updates{% else %}-security{% endif %} main{% if inventory_hostname_short in non_free_packages.keys() or (ansible_processor[1] is search("^(Genuine)?Intel.*") and not ansible_virtualization_role == 'guest') %} contrib non-free{% endif %}
+deb https://deb.debian.org/debian-security {{ ansible_lsb.codename }}{% if ansible_lsb.major_release | int < 11 %}/updates{% else %}-security{% endif %} main{% if inventory_hostname_short in non_free_packages.keys() or (ansible_processor[1] is search("^(Genuine)?Intel.*") and not ansible_virtualization_role == 'guest' and ansible_lsb.major_release | int < 12) %} contrib non-free{% endif %}{% if ansible_lsb.major_release | int >= 12 %} non-free-firmware{% endif %}
-deb https://deb.debian.org/debian {{ ansible_lsb.codename }}-updates main
+deb https://deb.debian.org/debian {{ ansible_lsb.codename }}-updates main{% if ansible_lsb.major_release | int >= 12 %} non-free-firmware{% endif %}
{% if 'backports' in group_names -%}
deb https://deb.debian.org/debian {{ ansible_lsb.codename }}-backports main
diff --git a/roles/common/templates/etc/ipsec.conf.j2 b/roles/common/templates/etc/ipsec.conf.j2
index e7505b4..eaa9a08 100644
--- a/roles/common/templates/etc/ipsec.conf.j2
+++ b/roles/common/templates/etc/ipsec.conf.j2
@@ -37,6 +37,7 @@ conn {{ hostvars[host].inventory_hostname_short }}
{% endif %}
rightsigkey = {{ hostvars[host].inventory_hostname_short }}.pem
rightsubnet = {{ ipsec[ hostvars[host].inventory_hostname_short ] | ansible.utils.ipv4 }}/32
+ reqid = {{ ipsec[ hostvars[host].inventory_hostname_short ].replace(":",".").split(".")[-1] }}
{% if 'NATed' not in group_names and 'NATed' in hostvars[host].group_names %}
mobike = yes
{% endif %}
diff --git a/roles/common/templates/etc/nftables.conf.j2 b/roles/common/templates/etc/nftables.conf.j2
index 805d1a8..f603ed9 100755
--- a/roles/common/templates/etc/nftables.conf.j2
+++ b/roles/common/templates/etc/nftables.conf.j2
@@ -155,16 +155,8 @@ table inet filter {
iif lo accept
- # XXX Bullseye: this is a rather crude match as nftables 0.9.0 lacks support for ipsec expressions
- # to match match inbound resp. outbound policies and source resp. destination tunnel addresses.
- # https://serverfault.com/questions/971735/how-to-match-reqid-in-nftables
- # https://blog.fraggod.net/2016/09/25/nftables-re-injected-ipsec-matching-without-xt_policy.html
- # (We can't use marks to match post-ESP decapsulation here because that doesn't work well with UDP
- # encapsulation.) We'll also pin the reqid to the lowest address byte in ipsec.conf(5); that way
- # peers can't impersonate each other.
meta l4proto esp accept
- # ip saddr {{ ipsec_subnet }} ip daddr {{ ipsec[inventory_hostname_short] }} ipsec in reqid $i accept
- ip saddr {{ ipsec_subnet }} ip daddr {{ ipsec[inventory_hostname_short] }} meta secpath exists accept
+ ip daddr {{ ipsec[inventory_hostname_short] }} jump ipsec-in
# incoming ICMP/ICMPv6 traffic was filtered in the ingress chain already
meta l4proto { icmp, icmpv6 } counter accept
@@ -200,12 +192,8 @@ table inet filter {
oif lo accept
- # XXX Bullseye: unlike for input we can't use marks or test for
- # secpath existence here, because by the time we see a packet to
- # 172.16.0.0/24 we don't know if it'll be encapsulated
meta l4proto esp accept
- # ip saddr {{ ipsec[inventory_hostname_short] }} ip daddr {{ ipsec_subnet }} ipsec out reqid $i accept
- ip saddr {{ ipsec[inventory_hostname_short] }} ip daddr {{ ipsec_subnet }} accept
+ ip saddr {{ ipsec[inventory_hostname_short] }} jump ipsec-out
meta l4proto { icmp, icmpv6 } counter accept
@@ -234,4 +222,17 @@ table inet filter {
meta l4proto udp counter reject
counter reject
}
+
+ chain ipsec-in {
+{% for h in ipsec.keys() | difference([inventory_hostname_short]) | sort %}
+ ip saddr {{ ipsec[h] }} ipsec in reqid {{ ipsec[h].replace(":",".").split(".")[-1] }} counter accept
+{% endfor %}
+ log prefix "ipsec-in " drop
+ }
+ chain ipsec-out {
+{% for h in ipsec.keys() | difference([inventory_hostname_short]) | sort %}
+ ip daddr {{ ipsec[h] }} ipsec out reqid {{ ipsec[h].replace(":",".").split(".")[-1] }} counter accept
+{% endfor %}
+ log prefix "ipsec-out " drop
+ }
}