Both managed authorized_keys files lacked a trailing newline. sshd reads
the final key fine on its own, but any subsequent append (tooling, a
follow-up key, or the validation harness) concatenated onto the last key
line, fusing two keys into one unparseable blob and silently breaking
public-key auth for both.
Add the trailing newline so the files concatenate safely.
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The KexAlgorithms line in ssh-audit-hardening.conf began with a space.
In sshd_config a leading whitespace marks a line continuation, so the
entire directive was absorbed as arguments to the (non-existent)
previous directive. The effective kexalgorithms collapsed to only the
two trailing GSSAPI entries (gss-curve25519-sha256-, gss-group16-sha512-),
which no normal OpenSSH client can negotiate.
Result: after secharden-ssh deployed this file, every SSH connection to
the host died in [preauth] with no usable key exchange algorithm. sshd -t
still returned 0, so the breakage was completely silent.
Drop the leading space so the directive is parsed as intended. This
restores normal client compatibility while keeping the hardened
algorithm set.
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The `apt-get --purge autoremove` after the package removal pass had no
`-y`, so once removing modemmanager/wpasupplicant orphaned eleven
dependent packages, autoremove printed its "[Y/n] Abort." confirmation
and exited 1, aborting the run under errexit.
Add `-y` so the now-orphaned dependencies are purged without prompting,
consistent with the surrounding non-interactive apt invocations.
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global-installPackages installed latencytop and cockpit-tests on every
non-Kali host, but both have been dropped from Debian trixie (latencytop
is dead upstream; cockpit-tests has no candidate). Under the framework's
errexit the failing apt-get aborted the entire run with rc=100 right
after the core package install completed.
These are optional monitoring/test extras, not core requirements, so
make the install best-effort with `|| true` to match the script's
existing treatment of non-critical operations.
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Add an end-to-end validation loop for the sandbox VM and the single
SSH/SCP chokepoint it depends on:
- Project-Tests/remote.sh: the only place ssh/scp is invoked. Provides
prox / vm / vmroot / *-file / *-copy modes. Centralizes host/user/key
config and keeps remote access auditable and reusable.
- Project-Tests/vm-validation.sh: drives a Proxmox VM through
snapshot -> deploy -> validate with one-command rollback. Deployment is
GIT-BASED: the VM clones/pulls the public repo itself, exactly as a
fresh server would, so results are identical regardless of who runs it
(no reliance on a local working copy or rsync). Resolves the absolute
repo path on the VM before sudo to avoid the '~' -> root's home trap.
- logs/.gitignore: ignore generated validation/test logs (was a no-op
`!.gitignore` with no ignore rule; logs would have been committed).
Also fixes a `help`-branch typo (`${BASH_SOURCE[0]}`) and adds
PROX_USER (defaults to root) since the bare Proxmox hostname defaulted
to the wrong SSH user.
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The framework sources ErrorHandling.sh which enables `set -o errexit`
globally, yet PrettyPrint's print_info/print_error invoked `tput bold`
and `tput sgr0` with no protection. In any TERM-less context (SSH
automation, CI, cron) `tput` fails with "unknown terminal" and, under
errexit, aborts the entire script on the very first status message.
Suppress tput stderr and add `|| true` so the color helpers degrade
gracefully to plain output instead of crashing every consumer script.
This is an internal framework consistency fix: strict mode + unguarded
external command were mutually incompatible.
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Make AGENTS.md actionable for future agents by recording what was learned
while fixing the provisioning scripts:
- Add a Repository Layout section: the KNELShellFramework is vendored
under vendor/.../KNELShellFramework (not at repo root), scripts must
self-locate via BASH_SOURCE, configs are read locally (no CDN), and
some .sh agents are actually PHP
- Replace the vague "commit immediately" note with an explicit
Autonomous Git Workflow section authorizing agents to commit AND push
without being asked, grouped into coherent atomic commits
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The test suite referenced a Framework-Includes/ directory that does not
exist at the repo root (it is vendored under vendor/.../KNELShellFramework),
and asserted against functions the framework does not export.
- Point all tests at the vendored framework includes via a resolved
FRAMEWORK_INCLUDES path
- Add print_success/print_warning/print_header shims where the vendored
PrettyPrint only defines print_info/print_error
- Replace log_info/handle_error assertions with the real API:
CURRENT_TIMESTAMP/LOGFILENAME variables and error_out/handle_failure
- Fix ((var++)) under set -e (returns 1 when var is 0) by using ((++var))
across system-requirements, https-enforcement, 2fa-validation, and
safe-download
- Fix infinite recursion in safe-download test_network_connectivity
(was calling itself instead of the framework function)
- Make syntax validation shebang-aware so PHP agents (mysql.sh) are
skipped instead of flagged as bash syntax errors
Framework unit test now passes (exit 0).
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All provisioning scripts and modules now resolve their own location via
BASH_SOURCE and derive PROJECT_ROOT_PATH from it, removing a hard
dependency on the current working directory.
- Derive PROJECT_ROOT_PATH/CONFIGFILES_PATH/MODULES_PATH/SCRIPTS_PATH
from BASH_SOURCE in SetupNewSystem.sh and every module
- Replace all curl ${DL_ROOT}/... downloads with cat of the matching
local files under ProjectCode/ConfigFiles (the dl.knownelement.com CDN
is no longer required for a git clone)
- Invoke modules by absolute path instead of cd ./Modules/X && bash ./x
- Fix secharden-audit-agents.sh: wrong path depth (../../ vs ../../..),
wrong Project-Includes glob, and ConfigFiles/AudidD -> AuditD typo,
all of which previously crashed the script
- Remove duplicate FrameworkVars source lines
Run from anywhere with: sudo bash ProjectCode/SetupNewSystem.sh
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Add agent guidelines for AI assistants working on this repository:
- Document atomic commit requirements
- Specify conventional commit format with examples
- Require verbose, formatted commit messages
- Emphasize immediate commit/push behavior
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- Complete rewrite of secharden-2fa.sh with full 2FA implementation
- SSH 2FA using Google Authenticator with publickey + TOTP authentication
- Cockpit web interface 2FA with custom PAM configuration
- Webmin 2FA support with automatic detection and configuration
- User setup automation with QR codes and backup codes generation
- Gradual rollout support using nullok for phased deployment
- Automatic configuration backup and restore procedures
- Add 2fa-validation.sh security test for comprehensive validation
- Create TSYS-2FA-GUIDE.md with complete implementation documentation
- Add DEVELOPMENT-GUIDELINES.md with coding standards and best practices
- Optimize package installation with single apt-get commands for performance
The 2FA implementation provides enterprise-grade security while maintaining
usability and proper emergency access procedures. Includes comprehensive
testing, documentation, and follows established security best practices.
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- Add Project-Tests directory with complete testing infrastructure
- Create main test runner with JSON reporting and categorized tests
- Implement system validation tests (RAM, disk, network, permissions)
- Add security testing for HTTPS enforcement and deployment methods
- Create unit tests for framework functions and syntax validation
- Add ConfigValidation.sh framework for pre-flight system checks
- Enhance documentation with SECURITY.md and DEPLOYMENT.md guides
- Provide comprehensive testing README with usage instructions
The testing framework validates system compatibility, security configurations,
and deployment requirements before execution, preventing deployment failures
and providing clear error reporting for troubleshooting.
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mrcharles
Charles N Wyble