V8.03.768.2025.06.11

Signed-off-by: Marc S. Weidner <msw@coresecret.dev>

.gitea/ISSUE_TEMPLATE/ISSUE_TEMPLATE.yaml

@@ -25,7 +25,7 @@ body:
     attributes:
       label: "Version"
       description: "Which version are you running? Use `./ciss_live_builder.sh -v`."
-      placeholder: "e.g., Master V8.03.644.2025.06.07"
+      placeholder: "e.g., Master V8.03.768.2025.06.11"
     validations:
       required: true
 

.gitea/TODO/dockerfile

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.644.2025.06.07
+### Version Master V8.03.768.2025.06.11
 
 FROM debian:bookworm
 

.gitea/TODO/render-md-to-html.yaml

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.644.2025.06.07
+### Version Master V8.03.768.2025.06.11
 
 name: 🔁 Render README.md to README.html.
 

.gitea/trigger/t_generate_PRIVATE_iso_flavour_0.yaml

@@ -11,5 +11,5 @@
 
 build:
   counter: 1023
-  version: V8.03.644.2025.06.07
+  version: V8.03.768.2025.06.11
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=yaml

.gitea/trigger/t_generate_PRIVATE_iso_flavour_1.yaml

@@ -11,5 +11,5 @@
 
 build:
   counter: 1023
-  version: V8.03.644.2025.06.07
+  version: V8.03.768.2025.06.11
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=yaml

.gitea/trigger/t_generate_PUBLIC.yaml

@@ -11,5 +11,5 @@
 
 build:
   counter: 1023
-  version: V8.03.644.2025.06.07
+  version: V8.03.768.2025.06.11
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=yaml

.gitea/trigger/t_generate_dns.yaml

@@ -11,5 +11,5 @@
 
 build:
   counter: 1023
-  version: V8.03.644.2025.06.07
+  version: V8.03.768.2025.06.11
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=yaml

.gitea/workflows/generate_PRIVATE_iso_flavour_0.yaml

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.644.2025.06.07
+### Version Master V8.03.768.2025.06.11
 
 name: 🔐 Generating a Private Live ISO FLV 0.
 
@@ -270,7 +270,7 @@ jobs:
           timestamp=$(date -u +"%Y_%m_%dT%H_%M_%SZ")
           ### Change "--autobuild=" to the specific kernel version you need: 6.12.22+bpo-amd64.
           ./ciss_live_builder.sh \
-            --autobuild=6.12.22+bpo-amd64 \
+            --autobuild=6.12.27+bpo-amd64 \
             --architecture amd64 \
             --build-directory /opt/livebuild \
             --control "${timestamp}" \

.gitea/workflows/generate_PRIVATE_iso_flavour_1.yaml

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.512.2025.06.06
+### Version Master V8.03.768.2025.06.11
 
 name: 🔐 Generating a Private Live ISO FLV 1.
 
@@ -270,7 +270,7 @@ jobs:
           timestamp=$(date -u +"%Y_%m_%dT%H_%M_%SZ")
           ### Change "--autobuild=" to the specific kernel version you need: 6.12.22+bpo-amd64.
           ./ciss_live_builder.sh \
-            --autobuild=6.12.22+bpo-amd64 \
+            --autobuild=6.12.27+bpo-amd64 \
             --architecture amd64 \
             --build-directory /opt/livebuild \
             --control "${timestamp}" \

.gitea/workflows/generate_PUBLIC_iso.yaml

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.644.2025.06.07
+### Version Master V8.03.768.2025.06.11
 
 name: 💙 Generating a PUBLIC Live ISO.
 
@@ -271,7 +271,7 @@ jobs:
           timestamp=$(date -u +"%Y_%m_%dT%H_%M_%SZ")
           ### Change "--autobuild=" to the specific kernel version you need: 6.12.22+bpo-amd64.
           ./ciss_live_builder.sh \
-            --autobuild=6.12.22+bpo-amd64 \
+            --autobuild=6.12.27+bpo-amd64 \
             --architecture amd64 \
             --build-directory /opt/livebuild \
             --control "${timestamp}" \

.gitea/workflows/linter_char_scripts.yaml

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.644.2025.06.07
+### Version Master V8.03.768.2025.06.11
 
 # Gitea Workflow: Shell-Script Linting
 #

.gitea/workflows/render-dnssec-status.yaml

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.644.2025.06.07
+### Version Master V8.03.768.2025.06.11
 
 name: 🛡️ Retrieve DNSSEC status of coresecret.dev.
 

.gitea/workflows/render-dot-to-png.yaml

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.644.2025.06.07
+### Version Master V8.03.768.2025.06.11
 
 name: 🔁 Render Graphviz Diagrams.
 

.version.properties

@@ -15,5 +15,5 @@ properties_SPDX-License-Identifier="EUPL-1.2 OR LicenseRef-CCLA-1.0"
 properties_SPDX-LicenseComment="This file is part of the CISS.debian.installer.secure framework."
 properties_SPDX-PackageName="CISS.debian.live.builder"
 properties_SPDX-Security-Contact="security@coresecret.eu"
-properties_version="V8.03.644.2025.06.07"
+properties_version="V8.03.768.2025.06.11"
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=conf

CISS.debian.live.builder.spdx

@@ -6,7 +6,7 @@ Creator: Person: Marc S. Weidner (Centurion Intelligence Consulting Agency)
 Created: 2025-05-07T12:00:00Z
 Package: CISS.debian.live.builder
 PackageName: CISS.debian.live.builder
-PackageVersion: Master V8.03.644.2025.06.07
+PackageVersion: Master V8.03.768.2025.06.11
 PackageSupplier: Organization: Centurion Intelligence Consulting Agency
 PackageDownloadLocation: https://git.coresecret.dev/msw/CISS.debian.live.builder
 PackageHomePage: https://git.coresecret.dev/msw/CISS.debian.live.builder

LINTER_RESULTS.txt

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-This file was automatically generated by the DEPLOY BOT on: "2025-06-07T13:59:44Z".
+This file was automatically generated by the DEPLOY BOT on: "2025-06-09T20:42:08Z".
 
 ✅ The last linter check was successful. ✅
 

LIVE_ISO.public

@@ -9,19 +9,19 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-This file was automatically generated by the DEPLOY BOT on: "2025-06-07T13:28:13Z".
+This file was automatically generated by the DEPLOY BOT on: "2025-06-09T23:03:24Z".
 
 CISS.debian.live.builder ISO :
-  "ciss-debian-live-2025_06_07T12_48_35Z-amd64.hybrid.iso"
+  "ciss-debian-live-2025_06_09T22_24_52Z-amd64.hybrid.iso"
 CISS.debian.live.builder ISO sha512 :
-  "ciss-debian-live-2025_06_07T12_48_35Z-amd64.hybrid.iso.sha512"
+  "ciss-debian-live-2025_06_09T22_24_52Z-amd64.hybrid.iso.sha512"
 CISS.debian.live.builder ISO sha512 sign :
   -----BEGIN PGP SIGNATURE-----
 
-iHUEABYKAB0WIQSqYnPMNKGz69afyHA85KY4hzOwIQUCaEQ+bQAKCRA85KY4hzOw
+iHUEABYKAB0WIQSqYnPMNKGz69afyHA85KY4hzOwIQUCaEdoPAAKCRA85KY4hzOw
-IdnhAQC+NGhgMMPqZgS51p59kCYSoGLDzodY7TtFOJOxLo5LeAD/bgJifC51JFju
+ISx/AQDaWYyH8QulOKnFs6NdEWI9Bs4mm3goYMloHE6k+ggriwD/cGWeNBYZEq/r
-RKy7e3am5Z80cAGZJ1RFliRgjJVZeAU=
+ELwSKN93MHQI+k6ceurSNVINKcdhdAo=
-=P9Qk
+=qwLb
 -----END PGP SIGNATURE-----
 
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=text

LIVE_ISO_FLV_0.private

@@ -9,19 +9,19 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-This file was automatically generated by the DEPLOY BOT on: "2025-06-07T11:52:28Z".
+This file was automatically generated by the DEPLOY BOT on: "2025-06-09T21:29:09Z".
 
 CISS.debian.live.builder ISO :
-  "ciss-debian-live-2025_06_07T11_12_45Z-amd64.hybrid.iso"
+  "ciss-debian-live-2025_06_09T20_49_35Z-amd64.hybrid.iso"
 CISS.debian.live.builder ISO sha512 :
-  "ciss-debian-live-2025_06_07T11_12_45Z-amd64.hybrid.iso.sha512"
+  "ciss-debian-live-2025_06_09T20_49_35Z-amd64.hybrid.iso.sha512"
 CISS.debian.live.builder ISO sha512 sign :
   -----BEGIN PGP SIGNATURE-----
 
-iHUEABYKAB0WIQSqYnPMNKGz69afyHA85KY4hzOwIQUCaEQn/AAKCRA85KY4hzOw
+iHUEABYKAB0WIQSqYnPMNKGz69afyHA85KY4hzOwIQUCaEdSJQAKCRA85KY4hzOw
-IeMFAP0ZsIuEHFz3EgDpk1rN066VZ2nGrx3NvQenvjg5EQsRNAD+MNlJ4JE9zk17
+IfhAAQD7eHcuDOahhxGeZUvM9cDSjhI9NZ32DXiKyh5G4h98eAEA+BQ45jKcSCCj
-pvWF+r0l2K7P6CmxlK7WZFU2Hs6KYwc=
+4mDbCicU/5Xo48I1UveYpEw7THIk1Qg=
-=6azh
+=1JtH
 -----END PGP SIGNATURE-----
 
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=text

LIVE_ISO_FLV_1.private

@@ -9,19 +9,19 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-This file was automatically generated by the DEPLOY BOT on: "2025-06-07T12:39:29Z".
+This file was automatically generated by the DEPLOY BOT on: "2025-06-09T22:16:18Z".
 
 CISS.debian.live.builder ISO :
-  "ciss-debian-live-2025_06_07T12_01_03Z-amd64.hybrid.iso"
+  "ciss-debian-live-2025_06_09T21_37_50Z-amd64.hybrid.iso"
 CISS.debian.live.builder ISO sha512 :
-  "ciss-debian-live-2025_06_07T12_01_03Z-amd64.hybrid.iso.sha512"
+  "ciss-debian-live-2025_06_09T21_37_50Z-amd64.hybrid.iso.sha512"
 CISS.debian.live.builder ISO sha512 sign :
   -----BEGIN PGP SIGNATURE-----
 
-iHUEABYKAB0WIQSqYnPMNKGz69afyHA85KY4hzOwIQUCaEQzAQAKCRA85KY4hzOw
+iHUEABYKAB0WIQSqYnPMNKGz69afyHA85KY4hzOwIQUCaEddMgAKCRA85KY4hzOw
-IedVAQDj71Q0oAweOhYGabzgECIwgIxHPypvidif0fnjucGuIgD+O5XAvFsPnUzQ
+IfJ2AQDqmrBfWDF/ZxM1wgxB/JYFtLVTYY5tSRUfBPkrNCrmaQD/UjIYnVwOwUoj
-7lXvBLPURbSoa5//sgkXL3Pmik2vvwk=
+3i2g5OT1ufIaPP7UDglgnVUwYfUgKwE=
-=TJPq
+=pv0S
 -----END PGP SIGNATURE-----
 
 # vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=text

README.md

@@ -2,7 +2,7 @@
 gitea: none
 include_toc: true
 ---
-[![Static Badge](https://badges.coresecret.dev/badge/Release-V8.03.644.2025.06.07-white?style=plastic&logo=linux&logoColor=white&logoSize=auto&label=Release&color=%23FCC624)](https://git.coresecret.dev/msw/CISS.debian.live.builder)
+[![Static Badge](https://badges.coresecret.dev/badge/Release-V8.03.768.2025.06.11-white?style=plastic&logo=linux&logoColor=white&logoSize=auto&label=Release&color=%23FCC624)](https://git.coresecret.dev/msw/CISS.debian.live.builder)
  
 [![Static Badge](https://badges.coresecret.dev/badge/Licence-EUPL1.2-white?style=plastic&logo=europeanunion&logoColor=white&logoSize=auto&label=Licence&color=%23003399)](https://eupl.eu/1.2/en/)  
 [![Static Badge](https://badges.coresecret.dev/badge/opensourceinitiative-Compliant-white?style=plastic&logo=opensourceinitiative&logoColor=white&logoSize=auto&label=OSI&color=%233DA639)](https://opensource.org/license/eupl-1-2)  
@@ -26,7 +26,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.644.2025.06.07<br>
+**Build**: V8.03.768.2025.06.11<br>
 
 This shell wrapper automates the creation of a Debian Bookworm live ISO hardened according to the latest best practices in server
 and service security. It integrates into your build pipeline to deliver an isolated, robust environment suitable for

ciss_live_builder.sh

@@ -40,7 +40,7 @@
 
 declare -g VAR_HANDLER_AUTOBUILD="false"
 declare -gr VAR_CONTACT="security@coresecret.eu"
-declare -gr VAR_VERSION="Master V8.03.644.2025.06.07"
+declare -gr VAR_VERSION="Master V8.03.768.2025.06.11"
 
 ### VERY EARLY CHECK FOR AUTO-BUILD, CONTACT, USAGE, AND VERSION STRING
 declare arg

config/hooks/live/9985_clamav.chroot

@@ -58,7 +58,7 @@ ReadOnlyPaths=/
 ReadWritePaths=/var/lib/clamav /var/log/clamav /var/run/clamav
 
 MemoryDenyWriteExecute=yes
-MemoryLimit=512M
+MemoryLimit=4096M
 CPUShares=512
 
 RestrictAddressFamilies=AF_INET AF_INET6

config/hooks/live/9990_final_purge.chroot

@@ -22,7 +22,7 @@ qemu-guest-agent rmail sendmail-base sendmail-bin sendmail-cf sensible-mda sendm
 apt-mark hold exim4 exim4-daemon-light exim4-base exim4-config \
 qemu-guest-agent rmail sendmail-base sendmail-bin sendmail-cf sensible-mda sendmail-doc
 
-dpkg --get-selections | grep deinstall >> /tmp/deinstall.log || true
+dpkg --get-selections | grep deinstall >| /tmp/deinstall.log || true
 
 if [[ -s /tmp/deinstall.log ]]; then
   printf "\n"

config/hooks/live/9991_file_permissions.chroot

@@ -39,7 +39,7 @@ EOF
 
 cp -a /etc/login.defs /root/.ciss/dlb/backup/login.defs.bak
 
-sed -i 's/LOGIN_TIMEOUT       60/LOGIN_TIMEOUT       180/' /etc/login.defs
+sed -ri 's/^(#?LOGIN_TIMEOUT)[[:space:]]+[0-9]+/\1 180/' /etc/login.defs
 sed -i 's/UMASK		022/UMASK		077/' /etc/login.defs
 sed -i 's/PASS_MAX_DAYS	99999/PASS_MAX_DAYS	16384/' /etc/login.defs
 sed -i 's/PASS_MIN_DAYS	0/PASS_MIN_DAYS	1/' /etc/login.defs

config/hooks/live/9994_password_policy.chroot

@@ -51,7 +51,7 @@ difok = 4
 ### Minimum acceptable size for the new password (plus one if
 ### credits are not disabled, which is the default). (See pam_cracklib manual.)
 ### Cannot be set to a lower value than 6.
-minlen = 20
+minlen = 40
 
 ### dcredit = 0, ucredit = 0, lcredit = 0, ocredit = 0, minclass = 0
 ### NIST SP 800-63B advises against rigid complexity rules (numbers, symbols, uppercase)

config/includes.chroot/etc/ssh/sshd_config

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.644.2025.06.07
+### Version Master V8.03.768.2025.06.11
 
 ### https://www.ssh-audit.com/
 ### ssh -Q cipher | cipher-auth | compression | kex | kex-gss | key | key-cert | key-plain | key-sig | mac | protocol-version | sig
@@ -51,7 +51,7 @@ MaxSessions                  2
 MaxStartups                  08:64:16
 ### Restrict each individual source IP to only 4 unauthenticated connection slot
 ### in the concurrent MaxStartups pool, preventing one IP from monopolizing slots.
-PerSourceMaxStartups         4
+PerSourceMaxStartups         8
 ClientAliveInterval          300
 ClientAliveCountMax          2
 

config/includes.chroot/etc/sysctl.d/99_local.hardened

@@ -9,7 +9,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-### Version Master V8.03.644.2025.06.07
+### Version Master V8.03.768.2025.06.11
 
 ### https://docs.kernel.org/
 ### https://github.com/a13xp0p0v/kernel-hardening-checker/

config/includes.chroot/preseed/.iso/preseed_hash_generator.sh

@@ -10,7 +10,7 @@
 # SPDX-PackageName: CISS.debian.live.builder
 # SPDX-Security-Contact: security@coresecret.eu
 
-declare -gr VERSION="Master V8.03.644.2025.06.07"
+declare -gr VERSION="Master V8.03.768.2025.06.11"
 
 ### VERY EARLY CHECK FOR DEBUGGING
 if [[ $* == *" --debug "* ]]; then

config/includes.chroot/preseed/preseed.cfg

@@ -112,4 +112,4 @@ d-i preseed/late_command string sh /preseed/.ash/3_di_preseed_late_command.sh
 
 # Please consider donating to my work at: https://coresecret.eu/spenden/
 ###########################################################################################
-# Written by: ./preseed_hash_generator.sh Version: Master V8.03.644.2025.06.07 at: 10:18:37.9542
+# Written by: ./preseed_hash_generator.sh Version: Master V8.03.768.2025.06.11 at: 10:18:37.9542

config/includes.chroot/root/.bashrc

@@ -33,6 +33,7 @@
 
 trap ' "${SHELL}" /root/.ciss/clean_logout.sh ' 0
 source /root/.ciss/alias
+source /root/.ciss/f2bchk.sh
 source /root/.ciss/shortcuts
 source /root/.ciss/scan_libwrap
 

config/includes.chroot/root/.ciss/alias

@@ -158,14 +158,22 @@ genpasswdhash() {
 # shellcheck disable=SC2317
 scurl() {
   if [[ $# -ne 2 ]]; then
-    printf "\e[91m❌ Error: Usage: scurl <URL> <path/to/file>. \e[0m\n" >&2
+    printf "\e[91m❌ Error: Usage: scurl <URL> <path/to/file>.\e[0m\n" >&2
     return 1
   fi
-
+  declare url="$1"
-  if ! curl --proto '=https' --tlsv1.3 -sSf -o "${2}" "${1}"; then
+  declare output_path="$2"
-    printf "\e[91m❌ Error: Download failed for URL: '%s'. \e[0m\n" "${1}" >&2
+  if ! curl --doh-url "https://dns01.eddns.eu/dns-query" \
+            --doh-cert-status \
+            --tlsv1.3 \
+            -sSf \
+            -o "${output_path}" \
+            "${url}"
+  then
+    printf "\e[91m❌ Error: Download failed for URL: '%s'.\e[0m\n" "${url}" >&2
     return 2
   fi
+  return 0
 }
 
 ###########################################################################################
@@ -177,14 +185,23 @@ scurl() {
 # shellcheck disable=SC2317
 swget() {
   if [[ $# -ne 2 ]]; then
-    printf "\e[91m❌ Error: Usage: swget <URL> <path/to/file>. \e[0m\n" >&2
+    printf "\e[91m❌ Error: Usage: swget <URL> <path/to/file>.\e[0m\n" >&2
     return 1
   fi
-
+  declare url="$1"
-  if ! wget --no-clobber --https-only --secure-protocol=TLSv1_3 -qO "${2}" "${1}"; then
+  declare output_path="$2"
-    printf "\e[91m❌ Error: Download failed for URL: '%s'. \e[0m\n" "${1}" >&2
+  mkdir -p "$(dirname "${output_path}")"
+  if ! wget --show-progress \
+            --no-clobber \
+            --https-only \
+            --secure-protocol=TLSv1_3 \
+            -qO "${output_path}" \
+            "${url}"
+  then
+    printf "\e[91m❌ Error: Download failed for URL: '%s'.\e[0m\n" "$url" >&2
     return 2
   fi
+  return 0
 }
 
 ###########################################################################################

config/includes.chroot/root/.ciss/f2bchk.sh

@@ -0,0 +1,87 @@
+#!/bin/bash
+# SPDX-Version: 3.0
+# SPDX-CreationInfo: 2025-05-05; WEIDNER, Marc S.; <msw@coresecret.dev>
+# SPDX-ExternalRef: GIT https://git.coresecret.dev/msw/CISS.debian.live.builder.git
+# SPDX-FileContributor: WEIDNER, Marc S.; Centurion Intelligence Consulting Agency
+# SPDX-FileCopyrightText: 2024-2025; WEIDNER, Marc S.; <msw@coresecret.dev>
+# SPDX-FileType: SOURCE
+# SPDX-License-Identifier: EUPL-1.2 OR LicenseRef-CCLA-1.0
+# SPDX-LicenseComment: This file is part of the CISS.debian.installer.secure framework.
+# SPDX-PackageName: CISS.debian.live.builder
+# SPDX-Security-Contact: security@coresecret.eu
+
+#######################################
+# Wrapper for fail2ban filter checks against logs.
+# Usage: f2bchk --mode=ignored || --mode=matched  || --mode=missed \
+#               --filter=/etc/fail2ban/filter.d/ufw.aggressive.conf \
+#               --log=/var/log/ufw.log \
+#               --output=/tmp/f2bchk.log
+# Globals:
+#   DEFAULT_FILTER
+#   DEFAULT_LOG
+#   DEFAULT_MODE
+# Arguments:
+#  None
+# Returns:
+#   1 In case of any errors
+#######################################
+f2bchk(){
+  # Declare default values (readonly)
+  declare -r DEFAULT_MODE="matched"
+  declare -r DEFAULT_FILTER="/etc/fail2ban/filter.d/ufw.aggressive.conf"
+  declare -r DEFAULT_LOG="/var/log/ufw.log"
+
+  declare mode="${DEFAULT_MODE}"
+  declare filter="${DEFAULT_FILTER}"
+  declare log="${DEFAULT_LOG}"
+  declare output=""
+  declare arg=""
+
+  for arg in "$@"; do
+    case "${arg}" in
+      --mode=*)   mode="${arg#--mode=}";;
+      --filter=*) filter="${arg#--filter=}";;
+      --log=*)    log="${arg#--log=}";;
+      --output=*) output="${arg#--output=}";;
+      *)
+        printf "\e[31m[ERROR]\e[0m Unknown argument: %s\n" "${arg}"
+        return 1
+        ;;
+    esac
+  done
+
+  declare flag suffix
+  case "${mode}" in
+    ignored) flag="--print-all-ignored"; suffix="all.ignored";;
+    matched) flag="--print-all-matched"; suffix="all.matched";;
+    missed)  flag="--print-all-missed";  suffix="all.missed";;
+    *)
+      printf "\e[31m[ERROR]\e[0m Invalid mode: %s\n" "${mode}"
+      return 1
+      ;;
+  esac
+
+  if [[ -z "${output}" ]]; then
+    declare filter_name="${filter##*/}"
+    filter_name="${filter_name%.conf}"
+    output="/tmp/${filter_name}.${suffix}.log"
+  fi
+  if [[ ! -r "${log}" ]]; then
+    printf "\e[31m[ERROR]\e[0m Log file '%s' not found or not readable.\n" "${log}"
+    return 1
+  fi
+  if [[ ! -r "${filter}" ]]; then
+    printf "\e[31m[ERROR]\e[0m Filter file '%s' not found or not readable.\n" "${filter}"
+    return 1
+  fi
+
+  printf "\e[33m[INFO]\e[0m Running: fail2ban-regex %s %s %s\n" "${log}" "${filter}" "${flag}"
+  if fail2ban-regex "${log}" "${filter}" "${flag}" >| "${output}"; then
+    printf "\e[32m[SUCCESS]\e[0m Saved log to %s\n" "$output"
+    printf "You can view it with: cat %s\n" "$output"
+  else
+    printf "\e[31m[ERROR]\e[0m fail2ban-regex execution failed.\n"
+    return 1
+  fi
+}
+# vim: number et ts=2 sw=2 sts=2 ai tw=128 ft=sh

docs/AUDIT_DNSSEC.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.644.2025.06.07<br>
+**Build**: V8.03.768.2025.06.11<br>
 
 # 2. DNSSEC Status
 

docs/AUDIT_HAVEGED.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.644.2025.06.07<br>
+**Build**: V8.03.768.2025.06.11<br>
 
 # 2. Haveged Audit on Netcup RS 2000 G11
 

docs/AUDIT_LYNIS.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.644.2025.06.07<br>
+**Build**: V8.03.768.2025.06.11<br>
 
 # 2. Lynis Audit:
 

docs/AUDIT_SSH.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.644.2025.06.07<br>
+**Build**: V8.03.768.2025.06.11<br>
 
 # 2. SSH Audit by ssh-audit.com
 

docs/AUDIT_TLS.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.644.2025.06.07<br>
+**Build**: V8.03.768.2025.06.11<br>
 
 # 2. TLS Audit:
 

docs/CHANGELOG.md

@@ -8,10 +8,21 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.644.2025.06.07<br>
+**Build**: V8.03.768.2025.06.11<br>
 
 # 2. Changelog
 
+## V8.03.768.2025.06.11
+
+* Updated LIVE ISO workflows to use Kernel: ``linux-image-6.12.27+bpo-amd64``
+
+## V8.03.768.2025.06.09
+
+* Added: [f2bchk.sh](../config/includes.chroot/root/.ciss/f2bchk.sh)
+* Updated: [alias](../config/includes.chroot/root/.ciss/alias)
+  * ``scurl()``
+  * ``swget()``
+
 ## V8.03.644.2025.06.07
 
 * Updated workflows ISO Generators Runners. 

docs/CNET.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.644.2025.06.07<br>
+**Build**: V8.03.768.2025.06.11<br>
 
 # 2. Centurion Net - Developer Branch Overview
 

docs/CODING_CONVENTION.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.644.2025.06.07<br>
+**Build**: V8.03.768.2025.06.11<br>
 
 # 2. Coding Style
 

docs/CONTRIBUTING.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.644.2025.06.07<br>
+**Build**: V8.03.768.2025.06.11<br>
 
 # 2. Contributing / participating
 

docs/CREDITS.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.644.2025.06.07<br>
+**Build**: V8.03.768.2025.06.11<br>
 
 # 2. Credits
 

docs/DL_PUB_ISO.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.644.2025.06.07<br>
+**Build**: V8.03.768.2025.06.11<br>
 
 # 2. Download the latest PUBLIC CISS.debian.live.ISO
 

docs/DOCUMENTATION.md

@@ -8,12 +8,12 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.644.2025.06.07<br>
+**Build**: V8.03.768.2025.06.11<br>
 
 # 2. Usage
 ````text
 CISS.debian.live.builder
-Master V8.03.644.2025.06.07
+Master V8.03.768.2025.06.11
 
 (c) Marc S. Weidner, 2018 - 2025
 (p) Centurion Press, 2024 - 2025

docs/REFERENCES.md

@@ -8,7 +8,7 @@ include_toc: true
 **Centurion Intelligence Consulting Agency Information Security Standard**<br>
 *Debian Live Build Generator for hardened live environment and CISS Debian Installer*<br>
 **Master Version**: 8.03<br>
-**Build**: V8.03.644.2025.06.07<br>
+**Build**: V8.03.768.2025.06.11<br>
 
 # 2. Resources
 

lib/lib_check_provider.sh

@@ -18,7 +18,7 @@
 check_provider() {
   clear
   cat << 'EOF' >| "${VAR_NOTES}"
-Build: Master V8.03.644.2025.06.07
+Build: Master V8.03.768.2025.06.11
 
 Press 'EXIT' to continue with CISS.debian.live.builder.
 

lib/lib_usage.sh

@@ -22,7 +22,7 @@ usage() {
   cat << EOF
 
 $(echo -e "\e[92mCISS.debian.live.builder\e[0m")
-$(echo -e "\e[92mMaster V8.03.644.2025.06.07\e[0m")
+$(echo -e "\e[92mMaster V8.03.768.2025.06.11\e[0m")
 
 $(echo -e "\e[97m(c) Marc S. Weidner, 2018 - 2025\e[0m")
 $(echo -e "\e[97m(p) Centurion Press, 2024 - 2025\e[0m")

scripts/9000-cdi-starter

@@ -15,7 +15,7 @@ printf "\e[95m++++ ++++ ++++ ++++ ++++ ++++ ++ 🧪 '%s' starting ... \e[0m\n" "
 # sleep 1
 
 [[ ! -d /root/.cdi/log ]] && mkdir -p /root/.cdi/log
-printf "CISS.debian.installer Master V8.03.644.2025.06.07 is up!" >| /root/.cdi/log/boot_finished_"$(date +"%Y-%m-%d_%H-%M-%S")".log
+printf "CISS.debian.installer Master V8.03.768.2025.06.11 is up!" >| /root/.cdi/log/boot_finished_"$(date +"%Y-%m-%d_%H-%M-%S")".log
 
 if [[ -f /root/git/CISS.debian.installer/ciss_debian_installer.sh ]]; then
   chmod 0700 /root/git/CISS.debian.installer/ciss_debian_installer.sh